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　　O-rings are mechanical seals that are widely used in various industries and applications. They are circular rings made of elastic materials designed to be compressed between two surfaces to form a seal, preventing gases or liquids from escaping. O-rings are an important component of many machines and equipment as they provide a reliable, cost-effective sealing solution. 　　One of the most common applications of O-rings is in hydraulic systems. They are used to control the movement and operation of machinery. Hydraulic systems rely on the transmission of fluid under pressure, and O-rings help prevent leaks and maintain system efficiency. O-rings are used in hydraulic cylinders, pumps, valves, and other components. 　　Similarly, O-rings are used in pneumatic systems, which also rely on the transmission of fluid under pressure. However, pneumatic systems use air or gas instead of liquid. O-rings are used in pneumatic systems to provide a seal and prevent air or gas from leaking out. 　　In the automotive industry, O-rings are widely used to seal various components such as engine blocks, transmission systems, fuel injectors, and brake systems. They are also used in air conditioning and cooling systems to prevent refrigerant leaks. 　　O-rings are also used in the aerospace industry for various applications, such as sealing fuel tanks, hydraulic systems, and other critical components. They are also used in the manufacturing of spacecraft, satellites, and other space exploration equipment. 　　In the medical industry, O-rings are used for sealing medical equipment and devices, syringes, and other medical supplies. They are also used in prosthetic devices and surgical implants. 　　In the food and beverage industry, O-rings are used to seal containers, pipes, and other equipment used for food and beverage processing, packaging, and transportation. O-rings used in the food industry are typically made of materials approved by the FDA for use with food. 　　In the chemical industry, O-rings are used to seal pumps, valves, pipes, and other equipment used for chemical manufacturing and processing. O-rings used in the chemical industry must be made of materials that can withstand the chemicals being processed. 　　In the marine industry, O-rings are used to seal various components such as engine blocks, pumps, valves, and other equipment used for ships. They are also used in underwater exploration equipment. 　　In the electronics industry, O-rings are used to seal electronic components and equipment. They are commonly used in the manufacturing of computer hard disk drives, smartphones, and other electronic devices. 　　In the mining industry, O-rings are used to seal pumps, valves, pipes, and other equipment used for mineral extraction and processing. O-rings used in the mining industry must be made of materials that can withstand the harsh environments and chemicals used in mining operations. 　　In addition to the above applications, O-rings are also used in many other industries and applications, such as aviation, construction, oil and gas, etc. They are widely used in equipment and machinery, from simple hand tools to complex industrial systems. 　　The popularity of O-rings can be attributed to their many advantages. They are relatively inexpensive, easy to install, and provide effective sealing solutions. They can withstand high pressure, high temperature, and harsh environments. They are also resistant to most chemicals, oils, and other substances, making them suitable for a wide range of applications.

Minimum Order: 500

MCH-K305D K303D Single Channel 0-30V 0-3/5A mini DC power supply, MCH-K305D MCH-K303D SMPS have three digit dispaly and used in repairing mobile phone and laptop. The switch DC power supply adopt special and mini design, small size and light weight, so it is easy to operate. Regulated SMPS adopt full efficient and reliable material. MCH K305D / K305D Mini Digital Adjustable Switching Regulated Adjustable DC Power Supply - Single Channel 30V 3/5A MCH-K305D 0-30V 0-5A Three digit and MCH-K303D 0-30V 0-3A Three digit Features : This mini DC power supply adopt the multi coil high-precision positioner to fine tune the current and voltage, and the ultra high sensitivity is achieved. High quality and good performance, adopt advanced chip technology, intelligent cooling system. And it has longer service life. It is made of rugged metal material,simple and elegant. Both switch DC power supply is portable, small size and light weight, so it is easy to operate. Specifications : Model No. : MCH-K305D MCH-K303D Line Voltage: 110V/220VAC, 50Hz-60Hz Input Current : 0.9A Output Voltage Range: 0-30V Output Current Range: 0-3/5A Voltage Display Accuracy:±0.5% Current Display Accuracy:±0.5% Efficiency: >85% Voltage Regulation : Load Regulation(10-100%): 50mV Line Regulation(200-240VAC): 20mV Ripple & Noise(P-P) : 50mV Current Regulation : Load Regulation(10-100%): 20mA Line Regulation(200-240VAC): 20mA Ripple & Noise(p-p): 20mA Others Specifications : Operating Ambient: -10°C to + 60°C, 30%RH to 90% RH Size: 7(W) x 16(H) x 22(D) cm Packing Weight: 1.8kg Parameters : Input voltage: 104-127VAC(60HZ) Power supply effect: CV≤0.01%+2mV CC≤0.2%+2mA Load effect: CV≤0.01%+5mV CC≤0.2%+5mA Protection: Current limit and short circuit protection Operation environment: -10℃ to + 60℃, 30%RH to 90%RH Ripple and noise(P-P): 20MA Load adjustment degree(10-100%): 20MA Line voltage adjustment (10-100%): 20MA Efficiency: > 85% Current display precision: ±0.5% Voltage display precision: ±0.5% Product display : 1. Materials is full efficient and reliable Military-grade circuit board, advanced patch technology, seckill in-line design. Adopting high-quality components, DC power supply is more efficient 2. Simple design but not simple functions Ultra-simple shape design contains 20 years of rigorous and precise production technology to maximize portability and achieve maximum application with small machines. 3. Metal plastic, Rugged pressure The selection of sturdy and pressure-resistant hardware material body, thickness is about 2mm. The fuselage vents conform to the airflow principle. Reject all counterfeit materials and refurbishment. 4. Super movement, Multiple protection. The small model has a big effect. Compared with the large-volume power supply, it has the same protection function and performance. The performance linear power supply is higher, overload, over-voltage, over-current, current-limit, multiple protection, and be relieved to use. Package includes : 1pcs x DC Power Supply

Minimum Order: 1 bags

　　Oil seals, also known as rotary shaft seals, are used to prevent the leakage of oil and other fluids in machinery and equipment. They are essential components in many industries, including automotive, aerospace, marine, and manufacturing. There are several types of oil seals available, each designed for specific applications. In this article, we will discuss the different types of oil seals. 　　1. Lip Seal 　　Lip seals are the most common type of oil seal. They consist of a metal housing, a flexible lip, and a spring that applies pressure to the lip against the shaft. The flexible lip is usually made of rubber or other elastomeric materials and is designed to create a tight seal against the shaft. Lip seals are used in a wide range of applications, including automotive engines, pumps, and gearboxes. 　　2. V-Ring Seal 　　V-ring seals are used in applications where the shaft rotates at high speeds and where there is a risk of contamination. They consist of a single piece of rubber or other elastomeric material that is shaped like a V. The V- ring is fitted onto the shaft and creates a tight seal against the housing. V- ring seals are commonly used in automotive engines, agricultural machinery, and hydraulic systems. 　　3. Cassette Seal 　　Cassette seals are designed for applications where high pressure and high temperatures are present. They consist of a metal housing, a sealing element, and a spring that applies pressure to the sealing element. The sealing element is usually made of PTFE or other high-performance materials and is designed to create a tight seal against the shaft. Cassette seals are commonly used in hydraulic cylinders, pumps, and motors. 　　4. Mechanical Seal 　　Mechanical seals are used in applications where high pressure and high temperatures are present, and where there is a risk of contamination. They consist of two mating surfaces that are pressed together by a spring. The mating surfaces are usually made of ceramic, carbon, or other high-performance materials and are designed to create a tight seal against the shaft. Mechanical seals are commonly used in pumps, compressors, and other rotating equipment. 　　5. Oil Bath Seal 　　Oil bath seals are used in applications where the shaft rotates at low speeds and where there is a risk of contamination. They consist of a metal housing, a sealing element, and a spring that applies pressure to the sealing element. The sealing element is usually made of rubber or other elastomeric materials and is designed to create a tight seal against the shaft. Oil bath seals are commonly used in agricultural machinery, construction equipment, and other heavy-duty applications. 　　In conclusion, there are several types of oil seals available, each designed for specific applications. Lip seals are the most common type of oil seal, while V-ring seals are used in high-speed applications. Cassette seals and mechanical seals are designed for high-pressure and high-temperature applications, while oil bath seals are used in low-speed applications. When selecting an oil seal, it is essential to consider the application's requirements, such as speed, temperature, pressure, and the type of fluid being sealed.

Minimum Order: 100

Sugon 212 760W 2-in-1 Hot Air Gun Soldering Iron Intelligent Digital Display Rework Station for PCB / IC / SMD / BGA for mobile phone motherboard repair, Sugon 212 intelligent hot air soldering station for PCB soldering repair. Features: Two in one hot air guns/welding stations to realize one machine and two functions Digital display. The airflow of the hot air gun is adjustable, the air volume is strong and the air outlet is soft. The hot air gun has the function of automatic sleep. The sleep time of the welding table is adjustable from 0 to 30 minutes. Select the temperature and air volume most suitable for you with three memory buttons for the hot air gun/soldering iron. The handle of the hot air gun adopts a brushless fan with minimal noise.

Minimum Order: 1 bags

Quick 861X 1300W Soldering Rework Station Quick Hot air gun Flagship Edition Hardcover Edition,Quick 861X Intelligent Digital Display 1300W High Power Heat Gun Rework Hot Air Gun Desoldering Station Soldering Station. Features: With CH1, CH2, CH3 three working channels, and each channel can be set to the amount of wind, and temperature. Password protection and key lock function. Facilitate real-time operation, with magnetic switch control lever is placed in the handle holder immediately into hibernation. With automatic sleep function, in a dormant state parameters can be set. Sensor closed loop, microcomputer zero trigger temperature control, power, heating quickly, easily and precisely adjust the temperature stable, free from the influence of wind. The use of brushless vortex blower, air flow adjustable, wide range, can be adapted to a variety of uses. The system has an automatic cooling function of wind capacity, extend the life of the heating element and protect the hot air handle. ADB black, leading, the trend, 1300W high power, air volume 2-200 level. Real-time operation is convenient with magnetic control switch control, put the handle on the handle stand and sleep immediately. 3 standard air nozzles with different specifications. Temperature-locked channel, according to different job requirements, three different working modes can be set. Real-time operation is convenient with magnetic control switch control, convenient temperature adjustment.

Minimum Order: 1 bags

QUICK 881D power intelligent lead-free hot air gun rework station - 1300W 200l / min, Quick 881D BGA soldering rework station, professional mobile phone circuit board BGA desoldering tool,2-IN-1 upgrade version from Quick 856AD hardcover edition + Quick 861DW flagship edition, make your maintenance work more efficient. Product Features : Quick 881D world debut soldering rework station 1300W super power Super power Make your maintenance work more efficient

Minimum Order: 1 bags

Buy 2023 BMC Teammachine SLR01 One Road Bike from IndoRacycles is 100% safe, Because purchase products at IndoRacycles provide 100% moneyback guarantee To purchase online visit our website : https://www.indoracycles.com Price : USD 9000 Min Order: 1 Unit Lead Time: 7 Days Port : Kualanamu International Airport Terms : Bank Transfer, Wise, Western Union, Moneygram & WorldRemit Shipping : FedEx, DHL, UPS Products : New Original and international warranty Contact Purchase : order@indoracycles.com Website Link : https://indoracycles.com/road-bikes/2023-bmc-teamm , achine- slr01-one-road-bike-detail

Minimum Order: 1 bags

SUGON 8610DX 1000W Hot Air Rework Station LED Display Lead-Free Heat Gun Microcomputer Temperature Adjustable 5 nozzles. SUGON 8610DX 1000W Hot Air Rework Station Digital Display Intelligent Control Desoldering Solder Station for Phone Repair. Product Features: It has four working channels: CH1, CH2, CH3, CH4, and The air volume and temperature of each channel can be set and stored. It has a variety of protection functions and perfect button functions. Convenient real-time operation, with magnetic switch control, the handle is placed in the hand. The handle frame immediately goes to sleep. With automatic sleep function, the parameters can be adjusted in the sleep state set up. Sensor closed loop, microcomputer zero crossing trigger temperature control, high power. The temperature rises quickly, and the temperature adjustment is convenient and accurate and stable, and is not affected by the air output. Using brushless vortex fan, the air flow is adjustable, the range is large, and it can be suitable should be used for multiple purposes. The system is equipped with automatic large air volume cooling function to extend the life of the heating element,Protect the hot air handle. Real-time ℃/℉ temperature display function. Has the function of self-calibration of temperature.

Minimum Order: 1 bags

ATTEN ST-8602D 1300W 2-in-1 desoldering station with hot air gun and soldering iron, which is the upgraded version of ST-862D rework station. Features: 1. 1300W high-power design of the hot air gun(1300W(230V AC) / 1000W(110V AC), rapid heating and high efficiency. 2. 90W soldering iron station, the principle of using an integrated heating core is similar to that of T12. Rapid heating and returns quickly, easy to replace, and high working efficiency. 3. LCD digital display, one screen dual display, independent digital display and parameter setting of hot air gun and soldering iron. 4. Hot air gun and soldering iron 2 in 1 design, which can work independently. 5. The hot air gun uses a brushless eddy current fan to supply air, and the air volume is soft and adjustable. 6. Smart standby, smart hibernation, energy saving and safer. 7. Slim handle and comfortable grip, which can ensure long-term holding work. 8. The soldering iron is equipped with an high temperature mat, which can easily replace the heating core of the soldering iron. 9. The hot air gun handle has a switch button, and the user can interrupt or start the heating at any time. Application areas: 1. Suitable for soldering and desoldering of personal consumer electronics, home appliance industry, and industrial product PCBs. 2. Research and development technology center, the first choice for engineers in the maker center. 3. Widely used in the production operations of large and medium-sized and branded enterprises. 4. Suitable for education and teaching in colleges and universities.

Minimum Order: 1 bags

I). Main Specification: Model TW200*200 TW200*250 TW200*300 Travel/space X/Y axis travel mm 2000*2000 2000*2500 , 2000*3000 U/V axis travel mm A type: 20*20 Table size L*W mm 1620*2480 , 1600*2550 1600*3100 Max workpiece thickness H mm 500 500 , 500 Taper angle R degree A type:±3° Roughness Ra(Once cutting) um ≤2.5 Ra(Multi- cutting) um ≤1.0 Precision< , br> * mm ≤0.015 Screw * pcs High precision ball screw Guide way * pcs Steel linear guide way Motor X/Y axis Servo motors control Machine dimension L*W*H mm 4200*4800* , 1900 5200*4800*1900 6200*5500*1900 II). Features: WITH THE BEST CONTROL SYSTEM 1. Lowest running cost 2. Reusable molybdenum wire 3. Multiplicity cutting function: better accuracy, better surface finishing 4. DXF, AutoCAD can be read. AutoCAD can be used directly, easier to operate 5. Surface finishing 1.5μ~2.5μ 6. The casting for the main machine bed is equipped with the high rigid HT250, which made by a famous Japanese manufacturer. Integrated structure design, all casting parts are made with the procedure of resin-send and twice heat treatment to improve the max load weight and keep a good precision for long time and avoid the distortion. 7. New designed three layer filter coolant system 8. Industrial computer: more stable, longer using life III). CONTROL SYSTEM Windows XP The controller equipped the auto cut Intelligent software, which integrates the program and control and based on Windows XP. This new designed auto cut software is the unique software for WEDM running on the condition of windows XP. (1)Coordinate system: Absolute coordinate, incremental coordinate (relative coordinate) (2) Functions of coordinate transforming, zooming in and zooming out, rotating and tracking display in real time (3)Functions of interpolation of straight line and circular arc (4)Function of taper processing: As above (5)Function of processing different top and bottom abnormities parts (6)Auto-handle for short circuit and wire-break (7)Functions of memorizing: unexpected power off, it can continue the processing automatically; auto-stop after processing (8)Functions of auto edge-touching position and auto center finding (9)Function of auto-adding transitional arc (Arbitrary angle) (10) Functions of menu technology and auto-programming ward (11)Functions of menu technology and auto-programming (12)AUTOCAD can be used to program directly in the software. 2. Using the PCI slot controller card, LCD Monitor and the High-tech Industrial computer. That greatly enhances the stability of control and greatly reduces the computer the failure rate. 3. Embedded Control system can be connected with many design software smoothly. 4. Variety of pulse power can be chosen, which is suited for a number of processing conditions to improve the cutting ability of the high precision parts. 5. With a large database storage capacity, user can choose the suitable parameter according to deferent working conditions. Users can adjust machining parameters to establish a database at any time according to their own experience IV). CNC system configuration and technical performances (1) CNC Hardware configuration: (A) Industrial Computer:P4 or above (B)EMS memory:1G (C)Fixed Disk:160G (D)USB and Internet (E) 15″liquid crystal display (LCD) (F) RS232 and Keyboard and mouse (2)CNC software and operation platform: (A) CNC Auto-program and control function (B) operation platform: Windows XP (3)CNC technical function: (A) 4 axis processing (B)Function of processing different top and bottom abnormities parts (4)Running environment (A) Temperature: 5-40 degree (B) Relative humidity：40%～80%.

Minimum Order: 1 bags

Our company customizes all kinds of solar folding charging packs, 14W 18W 21W 27W 28W 36W 35W 45W and other power can be customized, the style is free to design, small batches are accepted ----- logo printing for 1 piece, and long-term stability with solar panel manufacturers Cooperation, quality is guaranteed. Our company has more than 20 sets of high-power laser cutting machines, computer pattern machines, large-format sewing machines, computer glue spraying and folding machines, photovoltaic power testers, etc. The factory has been engaged in bag production for more than 10 years. It has been supplying to the Japanese market for a long time, accepting high-quality requirements, and the service cooperation is very good. We look forward to long-term and stable cooperation with foreign trade companies, cross-border sellers, photovoltaic panel manufacturers, and energy storage manufacturers! Some styles are in stock, which is convenient for new customers to take samples for testing, one piece is customized, and one piece is shipped. Please pay attention in time!

Minimum Order: 1 bags

The solar panel charger can charge two devices at the same time. The solar charger can be hung on the backpack when traveling far. The solar panel will output power continuously in sunlight. Can charge mobile phones, power banks, power banks and other USB devices. If the mobile phone power is low at night, you can use the mobile power to charge the mobile phone. The foldable portable solar panel has a compact and lightweight design. Suitable for hiking, climbing, backpacking, RV camping. You just need to unfold it in the sun to get electricity. The solar panel charger can work well at -20°C-75°C if it is sunny. You can use it with confidence. Portable Foldable Solar Cell Phone Charger QC3.0 USB, DC 18V Output No need to worry about electricity consumption on the road anymore. Are you afraid of power shortage when you are away from home? Grab our Portable Folding Solar Charger and let solar power solve that problem for you! Where there is sunshine, there is electricity, making your journey safer.

Minimum Order: 1 bags

1. Built-in power controller suitable for laptops and mobile phones. 2. High conversion efficiency, more than 93% of solar charge controller 3. It can directly charge the laptop without power bank or inverter, 12V/18V is optional. 4. Anti-reverse connection, automatic current limiting. Automatic recovery when protected. 5. Can plug into iPhone iPad and other USB compatible mobile devices through 5V USB port. 6. Small pouch for power bank, mobile phone and other accessories. 8. Waterproof fabric, waterproof leather, black, red, pink, brown, green, camouflage, brown and other colors. 9. Very suitable for outdoor operations and outdoor activities, including outdoor data collection, agriculture, geological survey, archaeology, weather forecast, fishing, mining, oil drilling, military applications, and hiking, camping and RV travel, etc. the 10. Fashion, energy saving, green and environmental protection. 11. OEM. The laptop output port can be customized for any output voltage less than 21V.。

Minimum Order: 1 bags

Foldable Sunpower Solar Panel Efficient Folding Mobile Phone Laptop Charger Suitable for iphone, ipad, MP3, MP4, camera, PDA, this product is a multifunctional solar charger that can charge your various laptops, foldable design, stylish and elegant appearance, exquisite and compact, convenient and practical. The USB interface output can be applied to most digital products, and the power can be obtained anywhere to realize efficient charging, convenient and safe to use, energy- saving and green. 1) Using high-efficiency Sunpower solar panels; 2) The operation is simple, put it on the ground and directly bask in the sun. And connect with the charging device;

Minimum Order: 1 bags