About Us

GOS is premier manufacturer of different kinds oil seal and o ring gasket with more than 20 years experience with more than 160 employee in zhejiang China,GOS earned the reputation as a premium brand known for exceptional quality . consistency and innocation. We pride ourselves on being able to offer lastest technologies with quality technical team ,rubber formulation room and test room for rubber seals ,It is a specialized company integrating R&D and manufacturing.Seals export to Russia,USA,Germany,Iran,Mexico,New Zealand and so on .Seals production OEM experience with ISO/TS16949.Able to operate in difficult situations, GS are engineered to outperform in high speed, high vibration, and high altitude conditions and are excellent replacements for both lip and spring seals.

GOS offer shaft seals  in Automotive ,Irrigation system,Heavy duty vehicle,Industry machine,Aerospace,Home appliances .Our sales and technical support is avaliable to help you in selecting the right material to meet your installation situation.We committed to provide the highest level of customer service,competitive pricing ,speedy delivery


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  • How to choose hydraulic seals

    It is suggested that hydraulic seals should be selected according to the following key points: 1. Stationary, reciprocating and rotating in motion; 2. Key piston, piston rod and plane for sealing; 3. Pressure determines the structure and hardness of the seal; 4. Temperature determines...
  • Causes of oil leakage of crankshaft oil seal

    Crankshaft is an important part of automobile engine. Its function is to convert the gas force from piston and connecting rod into torque, and the linear motion of piston into rotary motion, a valve train and other auxiliary devices for driving a vehicle’s transmission system and an engine. Basic...
  • What is Gear Reducer oil seal ?

    Today we’re going to share a part of the gear reducer, a very critical part: reducer oil seal , the gear oil seal or gearbox oil seal . The reducer is generally placed between the motor and the working machine, and the input and output ends are respectively connected with the motor shaft and t...

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