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TrustPRESS® presents the Stainless Steel Female Union M Profile, a high- quality, quick-connect fitting designed for harsh industrial environments. Crafted from premium stainless steel, this product ensures excellent corrosion resistance and long-term durability, making it ideal for piping connections, fluid control, and other industrial applications. Key Features High-Quality Materials Stainless Steel 1.4301 (AISI 304): Suitable for industrial applications under standard conditions, offering good corrosion resistance and machinability. Stainless Steel 1.4404 (AISI 316L): Designed for environments with higher corrosion demands, especially in marine and chemical applications. Outstanding Performance Maximum Working Pressure: Withstands a maximum pressure of up to 16 bar, ensuring reliable connections even in high-pressure environments. Compliance with International Standards This product is manufactured according to EN Standard requirements, ensuring every unit meets international quality standards.

Stainless Steel Pipe Bridge with Plain End is, as its name implies, a stainless steel pipe component with a “bridge” configuration and plain-end design. It is mainly used for connecting, redirecting, or transitioning between different pipelines in fluid or gas transmission systems, which enables more efficient pipe routing in confined spaces and reduces the need for additional elbows. Its key features include a smooth flow path and ease of connection, thereby enhancing installation efficiency and aesthetics. Given the inherent advantages of stainless steel—such as corrosion resistance, high strength, and long service life—this product is widely applied in residential, commercial, and industrial piping systems including water supply and drainage, HVAC, and gas pipelines. Brand Advantage: TrustPRESS® As a professional stainless steel pipe fittings brand, TrustPRESS® is committed to delivering high-quality, reliable product solutions. The brand rigorously applies strict standards in raw material selection, manufacturing processes, and quality control, ensuring that each product performs stably under various environmental conditions and meets the requirements of diverse projects.

Stainless Steel 90° Elbow with Plain End M Profile is a pipe connector made of stainless steel with a 90-degree right-angle bend and a plain end design (no threads). It is suitable for pipe systems that require right-angle turns.  Plain end Elbow 90 degrees M profile is an advanced connecting type in potable water system, tap water system, heating system, steam system, industrial oil pipe system and industrial gas pipe system. It is suitable for water, oil and gas pipeline connection. M-profile Fittings Material: ● Stainless Steel 1.4301 (AISI 304) ● Stainless Steel 1.4404 (AISI 316L) Working Pressure: Max 16 bar

TrustPRESS® Stainless Steel 90° Elbow M Profile is a press fitting made of stainless steel with a rubber seal and DVGW certification. It is suitable for drinking water, gas and other demanding pipe systems, ensuring safe and reliable connections and excellent corrosion resistance. Advantages of M-Profile Press Fittings: ● Easy assembly, practical and convenient (efficient) ● Quick installation (saving on hours of labour) ● Safe and approved (guaranteed system) ● No need for specialised personnel (no special skills required) ● Safe and no use of naked flames

DY piston ring surface treatment includes Chromium plating, Nitriding, PCr(CrN), DTC(ta-C), PVD(CrN), DLC(ta-C). With the rapid improvement of modern engine performance, in order to meet the development needs of high combustion pressure, high output power and maintenance-free, Dongya has successfully developed a DLC(Diamond Like Carbon) coating with low friction coefficient, high hardness, high wear resistance and significant tensile cylinder performance after years of professional research. It is currently the world's leading piston ring surface treatment technology, which is recommended that customers give priority to the choice of DLC coated ring group. Coating Type Chromium plating(Cr) Nitriding(N) PCr（CrN） DTC （ta-C） Technological principle Hard chromium electroplating Gas nitriding Physical vapor deposition physical vapor depositionMagnetic Filtered Cathodic Vacuum Arc Deposition Coating Hardness(HV) Above 800 Above 900 1200±300 1500～ 3000 Coating thickness Above 0.05 Above 0.03 Above 0.001 Above 0.001 wear resistance ★ ★ ★★ ★★★ longevity ★ ★ ★★ ★★★

Automobile piston rings are essential components designed to ensure optimal engine performance, efficiency, and durability. Installed around the piston, these rings create a tight seal between the piston and the cylinder wall, preventing gas leakage, regulating oil consumption, and maintaining proper compression. Manufactured using high-strength materials such as cast iron or alloy steel, piston rings are engineered to withstand high temperatures, friction, and constant motion inside modern internal combustion engines. PRODUCT CODE CYLINDER DIAMETER(MM) RING HEIGHT (MM) 1ST 2ND OIL 1 06241 62.00 1.50 1.50 2.80 2 06543 65.50 1.20 1.20 2.50 3 07143 71.00 1.00 1.00 1.50 4 07246 72.00 1.20 1.20 2.00 5 07448 74.80 1.50 1.50 3.00 6 08146 81.00 1.20 1.20 2.80 7 08341 83.50 1.20 1.50 2.50 8 08746 87.50 1.20 1.20 2.00 9 08842 88.00 1.20 1.50 2.50

Our Motorcycle Piston Ring is designed to deliver exceptional sealing performance, improved combustion efficiency, and long-lasting durability for a wide range of motorcycle engines. Manufactured with high-grade alloy materials and advanced machining technology, these piston rings provide excellent heat resistance, reduced friction, and superior wear protection—even under high- speed and high-temperature conditions. NO. PRODUCT CODE CYLINDER DIAMETER(MM) RING HEIGHT (MM) 1ST 2ND OIL 1 03504 35.00 0.80 0.80 2.00 2 03506 35.70 1.00 1.00 1.90 3 03508 35.80 1.00 1.00 2.00 4 03601 36.00 1.00 1.20 1.50 5 03704 37.00 0.80 0.80 1.50 6 03702 37.80 0.80 0.80 2.00 7 03703 37.80 0.80 0.80 1.50 8 03803 38.00 0.80 0.80 1.50 9 03801 38.40 0.80 0.80 1.50

PRODUCT CODE CYLINDER DIAMETER(MM) RING HEIGHT (MM) 1ST 2ND OIL 1 03501 35.70 1.00 1.00 1.90 2 03503 35.00 1.00 1.00 2.00 3 03507 35.00 1.00 1.00 2.00 4 03802 38.10 1.00 1.00 2.00 5 03906 39.00 1.00 1.00 2.00 6 04106 41.00 0.80 0.80 2.00 7 04109 41.80 0.80 1.00 1.50 8 04601 46.00 1.50 1.50 2.50 9 04809 48.60 1.00 1.00 2.00 Dongya purchases a series of steel ring materials from well-known international companies, which can meet the design requirements of various structures and surface treatment piston ring. At the same time, in accordance with the ISO- 6621-3:2000 standard, according to customer needs and engine performance, we independently develop various cast iron ring materials.

Micronized wax primarily functions as a processing aid and modifier in engineering plastics, with its core properties as follows: 1. Lubrication represents micro-wax's principal function, categorised into internal and external lubrication. Internal lubrication: Wax molecules disperse within the plastic melt, reducing friction between polymer chains and thereby lowering melt viscosity. External lubrication: Wax molecules migrate to the interface between the melt and processing equipment (such as moulds and screws), forming a lubricating film. Improved demoulding properties facilitate easier removal of products from moulds, reducing scrap rates. Enhanced surface finish yields smoother, more lustrous products. 2. Significant wear resistance and anti-slip properties When incorporated into engineering plastics, micronized wax forms a micro- lubricating layer on the product surface, lowering the surface friction coefficient. Application examples: Components requiring frequent motion and friction, such as gears, bearings, sliders, and guide rails, benefit significantly from micronized wax addition, which substantially extends their service life.

QDLF Series light vertical multistage stainless steel pump Working conditions: Cool and hot and clean liquids and non flammable and explosive liquids without solid or fiber Liquid temperature: -15℃ to +120℃ Environment: Maximum +40℃ Minimum suction pressure: NPSH curve +0.5m The pump is suitable for cool or hot and clean water and soft water circulation and booster. It also can be used for slight alkali and and mine water and water in swimming pool and chlorid water. Transport the medium like pharmacy, food and beverage. Boiler feeding Pressure boosting of living water Industrial circulation system and processing system Water treatment of environment protection. Other applications.

Minimum Order: 1 bags

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