O Rings | Seals

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O-rings/Seals

The o rings or seals are provided by Dezhou Rundong Petroleum Machinery Co., Ltd. which is capable of producing different models, types and materials of sealing rings, such as O rings, Y rings, piston seals, valve cover seals, the cylinder sleeve ring of various pumps etc. Our company owns an independent rubber accessory factory. We have designed and invented the first rubber injection machine and an automatic batching vacuum mixer in China by ourselves. The rubber material mixed with wear-resistance molecules in an injection machine allows water and gas in raw materials to be discharged along with density increased to over 5%. Then, it is vulcanized under temperature control. Also, it can be processed according to the drawing to meet the needs of various customers for different materials and sizes.

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