Offers to Sell

Main products: Diesel generator set: power by Perkins, Cummins, Doosan,Deutz, Volvo,Ricardo Yuchai and so on. Natural gas generator set: power by Perkins, revised Cummins, Yuchai and son on. Generator type: open generator, silent generator, mobile generator The power range of our generating set is from 6kw to 3000kw, it is coupled by world famous brand engine such as Perkins,Cummins,Deutz,Doosan,Yuchai etc. with world famous brand alternator such as Stanford, Marathan, Leroy Somer etc. FAQ --------------- ------------ , ------------ Q1: Are you trading company or manufacturer ? A: We are factory. Q2.What is your power range of your diesel generator? A: we can provide power from 6KVA-3000KVA  Q3. How long is your delivery time? A: 2-6 weeks Q4: What is your terms of payment ? A: T/T 30% in advance and  TT 70% balance paid before shipment or 100% LC at sight.  Q5: What is your warranty period? A: Our payment terms is 1 year or 1500 running hours whichever comes first. But based on some special project, we can extended our warranty period.  Q6: Do you offer OEM service? A: Yes  Q6: How could I trust you? A: Diesel Service & Supply stands behind the quality of all the used generators and industrial power equipment we sell. If you are not convinced by the pictures, videos, check-in reports, load tests, customer experiences and sales associates' knowledge about the generator you are interested in, then we invite you to come visit our expansive yard and shop facility to witness a load test and see the professional operation we have going on here. Welcome inquiries.    Daniel Jones Phone(Whatsapp) 0086-15696121850

Minimum Order: 1 bags

It has good voltage waveform and superior dynamic performance. Excellent grid connection function. Widely used in environmental protection power generation, shipbuilding, petroleum, engineering machinery, power energy, mobile power stations, power systems and other important fields, in any environment, with good performance and high reliability The high-voltage generator set supplied by our company adopts advanced technology at home and abroad, combined with the practical experiment of producing high-voltage motor and designed and manufactured, with reasonable structure, reliability, high efficiency, energy saving, low noise, vibration, long service life, convenient installation and maintenance and other advantages. Our company mainly uses Shanghai Marathon, Guangzhou Yingge and other famous brands of high-voltage generators, safe and reliable performance Welcome inquiries.    Daniel Jones Phone(Whatsapp) 0086-15696121850

Minimum Order: 1 bags

Plant Source: Tremella Fuciformis body Specification: 5% - 98% Polysaccharide CAS No: 9075-53-0 Appearance: White powder Test Method: UV Lead time: 1-3 days Shelf Life: 2 years Sample: Free sample available Storage: Cool dry place and avoid light Content: Vegan, Gluten-Free, Natural, Non-GMO, Non-additive Certs: GMP, ISO9001:2015, ISO22000:2018, HACCP, KOSHER, HALAL. https://www.healthkintai.com/organic-mus , hroom-extract/tremella-mushroom- extract-powder

Minimum Order: 1 bags

Seals performance isn’t determined by one factor. It’s the combined result of material selection, surface finish, temperature, installation, and even maintenance habits. Let’s break it down from a practical perspective. Material Selection – The Foundation of Seal Performance The starting point for every reliable rotary seal is its material. You can’t expect a seal designed for a gearbox to survive in a chemical pump, nor can one built for a wind turbine function properly in agricultural machinery. Three materials dominate most industrial applications: NBR (Nitrile Rubber) – economical and widely used, ideal for moderate temperatures and standard oils. It’s common in pumps, electric motors, and general machinery. FKM (Fluoroelastomer) – designed for high temperatures, aggressive chemicals, and extended service life. It’s the go-to choice for automotive engines, turbines, and power equipment. HNBR (Hydrogenated Nitrile Rubber) – offers a balance of toughness and heat resistance, frequently used in robotic arms, hydraulic actuators, and heavy- duty systems. When distributors choose materials purely based on price, they often overlook the cost of downtime and replacement. The right compound may cost a little more, but it prevents far greater losses later. Shaft Condition and Surface Finish The best seal in the world can’t perform if the shaft surface is poor. The surface roughness (Ra) should typically be within 0.2–0.8 µm. If it’s too smooth, the oil film can’t form properly; if too rough, it wears down the lip prematurely. Eccentric rotation or misalignment can also cause uneven pressure along the sealing lip, leading to local wear. In wind turbine gearboxes or large hydraulic motors, this is a common cause of early seal failure. A simple surface inspection before installation often saves hours of maintenance later. Temperature and Lubrication Heat is one of the biggest threats to seal longevity. When frictional heat accumulates near the lip area, the rubber hardens and cracks over time. That’s why proper lubrication is essential. Always apply a thin layer of grease on the lip during installation to prevent dry start-up. In environments like wind energy systems, metallurgy equipment, or high- speed compressors, the temperature load can be extreme. Choosing a high- temperature elastomer or a special low-friction design can significantly reduce heat generation. Installation It’s surprising how many seal failures originate from poor installation rather than design. Common mistakes include: Pressing the seal at an angle, damaging the outer casing; Using a hammer directly on the seal; Forgetting to remove burrs on the shaft shoulder. Professional technicians use dedicated installation tools to ensure the seal is pressed straight and evenly. For larger shafts, the alignment tolerance becomes even more critical. A single incorrect installation can destroy a brand-new seal within hours of operation. Medium and Environmental Conditions Seals don’t just face oil — they face the entire environment. In chemical processing, exposure to solvents or acids can degrade rubber quickly. In agricultural machinery, dust and mud can enter the sealing gap and act like sandpaper. In marine or offshore environments, salt and water create corrosion and swelling problems. When choosing a seal for distributors or OEM customers, it’s vital to match not just the dimensions but also the operating medium, speed, and temperature range. Oil Cleanliness and Maintenance A clean system equals a long seal life. Tiny particles of metal or dirt can score the sealing lip, forming channels that allow leakage. In hydraulic systems, robotic arms, or turbine drives, maintaining fluid cleanliness through proper filtration is essential. A good maintenance schedule—checking oil levels, monitoring temperature, and replacing filters—doesn’t just protect the oil seal; it extends the entire system’s service life. Hidden Influences: Pressure and Speed Although often overlooked, pressure and shaft speed have a big impact. When the pressure on the sealing lip exceeds its design range, the lip deforms, and oil begins to leak. Similarly, higher rotational speed increases friction and temperature. That’s why applications such as aircraft engines, high-speed motors, and electric vehicle drivetrains require seals with reinforced structures or additional dust lips. The Role of Testing and Process Control Every high-quality seal starts from process control. The molding pressure, vulcanization time, and post-treatment all affect its final performance. Leading manufacturers often perform dynamic leakage tests, aging simulations, and shaft rotation endurance tests to ensure consistency before mass production. For large distributors or OEM customers, asking for these reports is a good way to verify the supplier’s quality system. The performance of a rotary shaft seal is not defined by a single variable— it’s the outcome of how materials, design, installation, environment, and maintenance interact. A seal may be small, but its reliability safeguards the entire machine’s operation.

Minimum Order: 1000

The 138th Autumn Canton Fair in 2025 Dear All Customers: Thank you very much for your long-term support and trust in China LuTong. We sincerely invite you to participate in the 138th Autumn Canton Fair in 2025. The Canton Fair is a comprehensive international trade event with the largest scale, the most comprehensive product categories, the largest number of customers and the best trading results. The first phase will start from October 15th to end on the 19th, lasting for 5 days.

Minimum Order: 10 long tons

Dear Sirs/Madam, We are honored to invite you to the 2025 Rio de Janeiro International Auto Parts and Repair Industry Exhibition (RIOPARTS), organized by Diretriz Feiras e Eventos Ltda. It is held annually in Rio de Janeiro in odd years and in Curitiba in even years.". China-Lutong stand is E65.

Minimum Order: 10 long tons

When people talk about robotic arms, they usually focus on the control software, the servo motors, or the precision of the sensors. Very few stop to think about the seals hidden inside each joint. Yet, in practice, those small rings of rubber or polymer often decide whether the arm runs smoothly for months or whether it starts leaking oil after a few weeks. From my years of working with sealing systems, I can say that the oil seal is not just a passive part—it is the quiet guardian of reliability. The working environment of robotic arms Unlike heavy excavators or pumps, robotic arms don’t face mud or rocks. Their challenge is different: repetition and precision. A joint may rotate thousands of times in a single shift. The gearbox and motor demand clean lubrication, and even a tiny leak can cause contamination or loss of accuracy. In some factories, the arm works in a clean room; in others, it is surrounded by welding sparks, paint mist, or chemical vapors. Add to that the fact that the installation space is tight, and you see why the seal has to be both compact and extremely precise. What the seal must deliver From an engineering point of view, several features are non‑negotiable: Pressure stability: servo and hydraulic systems in robotic arms often run at 5–25 MPa. The seal must hold that pressure without deformation. Wear resistance with low friction: constant motion means the lip material must resist abrasion, but at the same time friction must be minimized to avoid heat build‑up. Temperature and chemical tolerance: in welding or coating lines, seals may face over 100 °C and aggressive chemicals. Materials like FKM and PTFE are common choices. Dust and particle exclusion: a secondary lip or dust‑proof design is essential to keep out fine particles or splashes. Dimensional accuracy: robotic joints are compact, so the seal must match shaft diameters and grooves with very little tolerance for error. Materials and structures Different materials serve different purposes. Polyurethane is tough and wear‑resistant, good for reciprocating seals. Nitrile rubber is cost‑effective and oil‑resistant, but less suitable for high heat. Fluoroelastomers handle high temperature and chemicals, while PTFE offers very low friction for high‑speed rotary shafts. Structurally, you will see U‑rings, TC‑type dual‑lip seals, Y‑combination seals, and spring‑loaded designs, each chosen for a specific motion or load. Where these seals are used Although the focus here is robotic arms, the same sealing logic applies in many industries. You will find similar requirements in: Industrial robots and automation systems Motors and gearboxes Hydraulic actuators Metallurgy and chemical production lines Automotive assembly plants Wind power equipment The audience for this knowledge is broad: engineers designing new robotic systems, maintenance teams responsible for uptime, and distributors or wholesalers who need to advise customers on the right seal for the job. Oil seals for robotic arms must combine pressure resistance, wear resistance, temperature stability, and contamination control, all within compact dimensions. They are not glamorous parts, but they are essential. A robotic arm is only as reliable as its smallest components, and the oil seal is one of the most critical.

Minimum Order: 1000

+ Adopting imported temperature control chips, digital precise control of smoke output, with a wider adjustable range of smoke output, suitable for various sizes of places such as bars and private rooms. + The reasonable layout of the structure makes the machine volume smaller and more compact. + Linear smoke control system for smoother and more stable smoke output, saving more than 20% oil compared to similar products. + New internal pipe automatic cleaning design, no need to worry about short- term blockage issues. + Supporting multiple working modes such as DMX 512, remote control, manual panel. Voltage:AC220-240V 50Hz. Power Consumption:1200W. Fuse:6A. Tank Capacity:4L. Smoke Output:2000 cu.ft/min. Warm Up Time:3min. Operation mode: DMX 512,LCD display, remote control. Temperature:280-300 celsius degree. Size:48.5*37*37cm. Weight:12.0kgs.

Minimum Order: 2 barrels

+ 12 pixel zones,each zone is individually controlled. + Matrix control per each LED. + RGB color mixing. + Built-in 254effects. such as chase,follow effect,rainbow effect,Letters,numbers,punctuation marks,and so on. + Linear dimming features: 666 pixels. + Strobe:1-30 flashes/sec. + LED Display and four button for menu control. + Support RDM function. Voltage:AC 100-240V 50/60Hz. Power:130W. Light source: 666pcs 5050 RGB LEDs (0.25W). Control modes: DMX-512,master-slave,auto,sound activity, with RDM function. DMX channels: CH3, CH9, CH22 3 channel modes. PowerCon IN/OUT. Dimesion:100*12*14.5 cm. Size:104*18*17 cm. N.W:3 kgs. G.W:4 kgs.

Minimum Order: 6 gallons

+ Light source:PHILIPS MSD Platinum 17R. + 17/24 DMX512 control channels. + Display:LCD display and four button for menu control. + Color Wheel: 13 dichroic filters +open, rainbow effect. Semi-color switch and bidirectional rainbow effect. + Rotating gobo wheel: 7 interchangable gobos + open. Bi-directional gobo rotation and position. Real indexable and gobo shaking. Gobo-flow effect. + Static gobo wheel: 13 fixed gobos + open. Gobo-flow effect. Gobo shaking effect. + Effect wheel: 5 effect gobos + open. Gobo-flow effect. Special dynamic flame or water effect,etc. + Prism wheel: One rotated 8 facets prism. One rotated 16 facets prism. Two prisms can be superimposed. + Beam angle:3.8-53 degree. + Gradually frost,wash angle 7-65 degree. + Focus:motorized focus. + Strobe:0.5-14 flashes/s or random strobe. + Dimming:0-100% full range dimming. + Pan: 540 degree Tilt: 270 degree.movement is fast,stable and quiet. Pan/Tilt 16bit. Pan/Tilt speed adjustable. + Photoelectric location,automatic pan/tilt correction. + Over temperature protection. Voltage:AC 100-240V 50/60Hz. Light source:PHILIPS MSD Platinum 17R. Power consumption:500W. 17/24 DMX512 control channels. Dimension:42.5*39*62.5cm. N.W:22kg , s. G.W:25kgs.

Minimum Order: 8 kilograms

+ 17 DMX512 control channels. + Stand-alone with master/slave function. + LCD display and four button for menu control. + Color Wheel: 6 dichroic filters + white. Half color and rainbow effect. + CTO: independent CTO,color temperature can be linear adjusted. + CMY: independent CMY, with linear color change,limitless color mixing. + Dimming: 0-100% linear dimming. + Focus: automatic focus. + Strobe: electronic strobe effect, 1-25 times/second. + Frost: 35-65 degree With frost effect, with 3 frost lens (lever-heavy, medium and light). + Zoom: 11-60 degree linear zoom. + Pan 540 degree,8/16 bit resolution. Tilt 270 degree,8/16 bit resolution. Auto X/Y repositioning,fast,quiet and smooth. Voltage:AC 100-240V 50/60Hz. Light source: 800W white LED,color temperature: 7500K-8000K. LED lifetime: 20000 hours. CRI: 73-90 Power: 900W. Zoom range:linear zoom 11-60 degree. Control Mode: DMX 512, RDM, Auto, Master / salve, Sound-activity. DMX channels:17 CH. Size:56*45.5*90.5 cm. N.W:23 kg. G.W:25 kg.

Minimum Order: 6 gallons

+ Can be used as beam, wash or effect light (Kaleido effects). + Each LED can be controlled individually. With unique honeycomb designed lens. + The front lens can rotate without limitation in forward and reverse direction to create amazing effects. + With a extra LED ring for eye-candy effect,LED ring with macro effect. + Display screen can be turned upside down with 180°automatically to fit the installation in different place (You should disconnect the power first and restart it). + LED Source:19*40W high power 4-in-1 LEDs. + Zoom:4-60 degree. + Strobe:0-25 flashes/second. + Dimmer:0-100% linear dimming. + Pan:540 degree,16bit fine,Tilt:220 degree,16bit fine. + The scanning position can be memory, it will be automatically reset without expected movement after rotation. + Adopted copper tube radiator and fan to ensure excellent heat dissipation effect Voltage:AC100-240V 50-60Hz. LED Source: 19*40W high power 4-in-1 LEDs. Power:760W. Control Mode:DMX512,Sound-activated,Master/slave. DMX Channels: 22CH/26CH/36CH/78CH 4 channel modes. Dimension:41*23*44cm. Size:51*32*55cm , . N.W:15kg. G.W:19kg.

Minimum Order: 4 cubic metres

+ 23 DMX512 control channels. + Stand-alone with master/slave function. + LCD display and four button for menu control. + Color Wheel: 12 dichroic filters + white. Half color and rainbow effect. + CMY,linear mixed color. + Rotating gobo wheel: 7 interchangable gobos + open. Bi-directional gobo rotation and position. With adjustable rotation speed. Gobo-flow effect. Gobo shaking effect. + Static gobo wheel: 12 fixed gobos + open,spin at variable speed. Gobo shaking effect. + Prism:two prisms,6 facet linear prism,8 facet prism. + Fine frost function. + Lens:high precision optical lens,linear zoom 4-35 degree. + Dimmer:0-100% linear adjustment. + Strobe effect:1-25 flashes/sec variable strobe effect. + Focus:motorized focus. + Pan/Tilt movement: Pan 540 degree,8/16 bit resolution. Tilt 270 degree,8/16 bit resolution. Auto X/Y repositioning,fast,quiet and smooth.. Voltage:AC 100-240V 50/60Hz. Light source:300W white LED Module,color temperature:7500K-8000K. Power:450W. Zoom range:linear zoom 4-35 degree. Channel:23 CH. Size:49*41*78cm. N.W:24kgs. G.W:26kgs , .

Minimum Order: 4 cubic metres

+ LED is used as lamp source to produce high illuminance,low power consumption and long service life. + The light body is made by aluminium alloy,which is light and nice. + Built-in pure aluminum radiator and fan convection system to ensure good heat dissipation. + It features in soft and uniform light output,high light efficiency,stable color temperature and high color rendering index,two kinds of different color temperature 3200K and 5600K are optional,and the 2in1 version can be from 3200K to 5600K variable-white light that looks just like natural sunlight and mimics the performance of tungsten fixtures. Voltage:AC 100-240V 50-60Hz. Light source:200W CW or WW or CW+WW 2in1 or RGBW 4in1 LED. Consumption:260W. CRI:Ra≥90. Angle type:19 degree,26 degree,36 degree,50 degree. Operation mode:manual or DMX 512. Channel: 1/3CH (single color). 2/5CH (2in1 CW+WW)). 4/8CH (4in1 RGBW). Dimension:60*29*28cm. Size:70*31*30cm , . N.W:6.0kgs. G.W:8.0kgs.

Minimum Order: 4 cubic metres