Targeted improvements in the original seal

We have made targeted improvements to the problems of the original seal, including: (1) The size of the inner ring of the seal ring near the media side is reduced from the original 15-20 gap to 10-15. The main purpose of this is to minimize the amount of steam leaking into the compressor,.......

·What kind of car recall does China need?

Before the compilation: On March 15, 2004, the General Administration of Quality Supervision, Inspection and Quarantine, the National Development and Reform Commission, the Ministry of Commerce and the General Administration of Customs officially issued the "Regulations on the M.......