China SBT Oil Seal was founded in 1993 (previous Motorcycle Parts Factory), is an international company with integrated capability of design, research, production and processing, it has always been devoted to technical innovation and development of oil seal, as one of the largest oil seal manufacturers in china mainland. The main products have transferred from motorcycle oil seals to industrial oil seals. Company now has more than 20,000 kinds of products, which are widely used in industrial machinery, manufacturing industries, mining, agricultural and construction machinery, engineering machinery, metal processing, automobiles, motorcycles, water pumps, gas damping machinery, metallurgy, food processing, oceaneering, pharmacy, petroleum, chemical fields etc. High Quality and excellent performance SBT products are supporting hundreds of famous enterprises in domestic and abroad.
Global market mainly includes in industrial machinery, manufacturing industries, mining, agricultural and construction machinery, engineering machinery, metal processing, automobiles, motorcycles, water pumps, gas damping machinery, metallurgy, food processing, oceaneering, pharmacy, petroleum, chemical fields etc.
Basic technology: 
To make high-end products, to meet the high-end industrial design and technology requirement on the market.
SBT has been focused on the latest elastomers, high performance plastics, production technology and chemistry, tribology.
SBT pays attention to the small gap match to achieve none leak in oil seal design, it’s a form of machinery seal, requiring precise tolerance between shaft and hole and high roughness demand. Numbers of pressure stabilizing tanks are opened on shaft or hole to maintain the pressure and prevent leakage. SBT pays attention to the small gap match to achieve none leak in oil seal design, it’s a form of machinery seal, requiring precise tolerance between shaft and hole and high roughness demand. Numbers of pressure stabilizing tanks are open