Teflon-lined pipe, casing, Elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen-ring, gasket seal ring and auto parts.

• 聚四氟乙烯内衬直管，套管，弯头，三通，四通，大小头，筒体，空压机-制氧机-活塞环、密封圈和汽配封圈。