Offers to Sell

FOR SALE : YAMAHA 300 HP 4 STROKE Purchase your choice of quality outboard engines at affordable prices New & Used Outboard Motors (2-Stroke and 4-Stroke) Brands: Yamaha, Honda, Evinrude E-TEC, Mercury, Suzuki, Tohatsu Jet Skis, Sailboats, Powerboats, Watercraft, and Snowmobiles For Inquiries, Contact Us: Whatsapp Text: +1 (217) 460-7668 Email: worldmotocentro@gmail.com Brand: Yamaha Motor, Yamaha Motor Weight: 229 kg (505 lbs) Manufacturer Item Number: Lf300xca Inbox if you're interested Contact for Purchase. Whatsapp Chat Number: +1 (217) 460-7668 Email: worldmotocentro@gmail.com

Minimum Order: 1 bags

In steel production, sealing components play a critical role in ensuring equipment operates reliably and efficiently. Steel plants face challenging operating conditions, including high temperatures, high pressures, abrasive particles, chemical exposure, and heavy-duty mechanical loads. Selecting the right sealing solutions is essential not only for extending equipment life but also for minimizing maintenance costs and improving production continuity. Common sealing components in steel plants include O-rings, oil seals, hydraulic seals and polyurethane seals. O-rings are widely used in pumps, valves, hydraulic systems, and pipeline connections, preventing fluid leakage and maintaining system pressure. Oil seals are typically installed on rotating parts of electric motors, gearboxes, and pumps to prevent lubricant leakage and block contaminants such as dust and metal particles, making them suitable for high-speed and high-temperature applications. Hydraulic seals are applied in cylinders and actuators, requiring the ability to withstand high pressures and repeated reciprocating motion without leakage. Material selection is a critical factor in the performance of sealing components for steel plants. Common materials include fluorocarbon rubber (FKM), nitrile rubber (NBR), polyurethane (PU), and metal-composite materials. FKM offers excellent heat resistance and chemical stability, making it suitable for high-temperature furnaces and hydraulic systems. NBR provides good oil resistance and wear resistance, ideal for pump and motor shaft sealing. PU seals combine flexibility with high load-bearing capacity, making them effective for hydraulic piston applications. Metal-composite seals maintain performance under heavy-duty and high-pressure conditions. Selecting the appropriate material for specific operating conditions ensures the reliability and longevity of the seals. The performance of sealing components is influenced not only by their type and material but also by operating temperature, pressure, medium, and installation conditions. High-temperature environments demand thermal stability and dimensional consistency, while high-pressure hydraulic systems require seals that can tolerate transient pressure fluctuations without leakage. Exposure to corrosive fluids or abrasive particles necessitates seals with high chemical and wear resistance. Proper installation and precise matching with equipment components are also essential to ensure optimal sealing performance. For distributors and wholesalers, the reliability of supply and responsiveness is equally important. Maintaining a sufficient inventory of standard sealing components allows steel plants to quickly replace worn or damaged parts. At the same time, customized solutions offer full support from material selection and design to production testing, addressing non- standard conditions and providing precise matching for the equipment. Such services enhance system reliability and reduce maintenance costs for steel plants. In summary, steel plants use a variety of sealing components, including O- rings, oil seals, mechanical seals, and hydraulic seals. Choosing the right material and ensuring resistance to high temperatures, high pressures, and wear are key considerations. Understanding how seals perform under specific operating conditions and evaluating supplier capabilities are critical for distributors and wholesalers serving steel plant customers. Through careful selection and procurement, steel plants can optimize their sealing systems, ensuring safe and continuous production.

Minimum Order: 1000

liquid crystals making PDLC film 85312-59-0 Established in 2007, Qingdao QY Liquid Crystal Co., Ltd is a leading manufacturer specializing in high-quality nematic liquid crystals, primarily used in PDLC smart film and high grade of LC display. With over 18 years of nematic liquid crystals production expertise. Our LCs are widely exported to Europe, the United States, South Korea, and other global markets. The capable of our producing approximately 5000 kilograms per month. We signed the Exclusive Agency Agreement with our South Korean customer from 2011

Minimum Order: 20 square metres

The aluminum geodesic dome roofs are a self-supporting cover, which is fabricated from high-strength aluminum alloys. Our aluminum dome roofs are fully compliant with AWWA D108, API 650, ADM2015, ASCE7-10, IBC 2012 standards. The clear-span, all-aluminum, lightweight, corrosion-resistant structure of the aluminum dome roof results in a cost- effective solution that provides superior protection of your stored product. The roof shall comprise radially sectional Glass-Fused-to-Steel plates utilizing the same fixings and sealants as the tank shell. 1. The roof shall be air limiting, clear span and self supporting. 2. Internal glass finish to be a 2-3-coat, 2-fire process. 3. All support beams shall be galvanized finish and be fixed on the exterior of the roof decking plates to eliminate internal condensation traps. 4. All internal glass surfaces shall be inspected in the ZHAOYANG's plant. 5. Roof appurtenances shall include (but not be limited to) 610mm inspection hatch located at eaves position and include a central air vent with insect mesh screening. 6. All openings shall be pre-formed before glassing. 7.  Construction shall be in accordance with the ZHAOYANG's Construction Guide.

The Continuous Stirred Tank Reactor (CSTR) is a type of anaerobic reactor specifically designed to enhance the interaction between biomass and waste, thereby improving digestion efficiency. As one of the earliest digester designs, the CSTR stands out for its versatility, accommodating various types of waste with ease. Its robust adaptability ensures that even highly concentrated waste can be processed effectively. With dual operational modes and multiple biogas retention systems, the CSTR remains a highly flexible and reliable solution.   In operation, the wastewater or a mixture of sludge and wastewater is introduced at the reactor's base and exits at the top, while an internal recycle loop facilitates the flow of reactor contents from the opposite side of the inlet. Efficient mixing is achieved using a top-entry, multi-stage agitator, ensuring continuous contact between the influent and biomass for optimal mass transfer and the conversion of organic material (COD) into biogas. Depending on specific requirements, alternative mixing systems, such as side- entry or jet mixers, can also be employed to achieve similar efficiency. https://www.zhaoyangtank.com/

The aeration tank uses the activated sludge process for sewage treatment. The tank provides a certain amount of time for the sewage to stay, so as to meet the oxygen required by aerobic microorganisms and the mixing conditions for the sewage to fully contact with the activated sludge. Wastewater Aeration Tank Advantages Convenient installation and short construction period. Low maintenance cost and long service life. The construction is flexible, expandable and recyclable. Modular installation, high added value, high standard. Controllable quality, suitable for different climate. Industrial production, beautiful appearance, superior quality. Edge Enameled Technology Our tank's edges coated with the same enameled material in order to avoid electrolysis of dissimilar metals, rust and weakening of the enameled bonding.

In strict accordance with the content of the international water safety standards coated steel plates certified by NSF/ANSI61, the specific obtained certificates and patents can be viewed in the relevant page. Advantages of the GFS Tanks 1. Short construction period 2. Superior corrosion resistance, service life is more than 30 yeas 3. Low project cost 4. Tank volume can be easily expanded 5. Beautiful appearance, color can be customized 6. Weather-shield durability 7. Easy installation, no need big installation equipment 8. Easily expand, dismantle, movable https://www.zhaoyangtank.com/products/p , otable-water-storage-tank.html

For the storage of water in residential areas, Residential Water Storage Tank is easy to install, with low noise and short installation time, which provides very convenient conditions for the construction and working of residential areas. The most important thing is that the appearance can also change the color with the construction of residential environment, which not only achieves the practical purpose, but also beautifies the residential environment. GFS tank design and fabrication service (1) The professional design team will provide prompt design service upon receiving the inquiry, design standard conform to AWWA D103-09, and OSHA international enamel bolted tank design standards. (2)With advanced cutting machine and enamel spraying production line, our production ability can reach 160 sheets / day, and make sure each sheet has superior fabrication precision and stable coating performance.

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