久久中文字幕一区二区三区,日本99热,高清av一区,日韩狠狠操,久久久一本精品99久久精品66,1级片网站,aaaaaaa欧美黄色大片

Casus Products>> Casus

  Qst32-3 products of Xingtai Steel, mainly used to produce the large  deformation, complex and certain intensity of rotary pin cold forming parts, etc. Downstream customers Beijing Singu Keller feedback that the product to produce car seat belt system in the rotating pin shaft, used for Volkswagen, Ford, BMW, Mercedes-benz and other auto parts.