The company was founded in 2007, the main marketing car motorcycle engine oil seal oil seal fluoroelastomers Aprons high-pressure valve cap rubber tubing, etc...

本公司成立于2007年，主要营销汽车摩托车发动机油封氟橡胶汽门油封胶圈高压帽油管等各类橡胶件。

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You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.

在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。

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Five , six years . And this is like a checkup for us . Um , achance to poke around the engine maybe chang the oil , replace a seal or two . Yeah .

约翰 ·史密斯：五、六年了，这对我们算是一次检查，看看引擎状况，换个油，换一两个零件。

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