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Foshan Aililong Hydraulic Seal Technology Co., Ltd. is a chemical company engaged in the research, production, and sales of various miniature O-rings, hydraulic cylinder seals, pneumatic cylinder seals, fluoroplastics, and high-performance polymer wear-resistant materials. Our company boasts a highly qualified technical service team covering R&D, production, and sales, as well as advanced production equipment. We manufacture a wide range of miniature O-rings, operating-condition O-rings, turned rubber seals, split-type oil seals, PTFE-filled seals, and more. Our product specifications fully comply with standards such as ISO7425/1, ISO3320, GB/T15242.1-94, and GB/T15242.2-94. The installation grooves of our products are fully interchangeable with those of renowned foreign companies. Our company can produce seals of various cross-sections and materials within the size range of 1.5 to 2000 millimeters. We can also develop customized materials according to customer requirements to meet extremely demanding operating conditions (such as ultra-high pressure, temperature, high temperature, high speed, and high friction). Additionally, we can design hydraulic and pneumatic cylinders tailored to specific customer needs. Our company’s key advantageous products include: 1. Various material miniature O-rings: We produce miniature O-rings with inner diameters starting from 1.5 millimeters, all made using imported integral stamped springs. These springs offer excellent elasticity, fatigue resistance, corrosion resistance, and compatibility with various media. They are widely used in precision machinery, instruments, valves, automobiles, and other fields. 2. Standard O-rings include: rotary O-rings, stationary O-rings, main seals for crane pipes, static seals for crane pipes, end-face O-rings, and others. 3. Material-based O-rings include: UPE O-rings, PEEK O-rings, PCTFE O-rings, and more. Matching springs are available in stainless steels 301, 304, 316, 718, Hastelloy, Inconel, and others. These O-rings find extensive applications in petroleum equipment, chemical valves, liquefied natural gas, and related industries. 4. Moldless-turned seals: We can provide moldless-turned seals with inner diameters starting from 2 millimeters. Our moldless-turned rubber seals include various split-type oil seals, turned U-shaped rings, turned Y-shaped rings, turned V-shaped combinations, dust seals, and more. All these seals are made from imported raw materials and feature excellent hydrolysis resistance, wear resistance, no need for mold opening, fast processing speeds, suitability for both single-piece and mass production, and short procurement cycles. 5. Various combination seals: cloth-clamped V-shaped combinations, Hungen seal GDKK, and others.Companies