金博棋牌娱乐|Ningbo Chenshi Powder Metallurgy Co., Ltd.

 

  Ningbo Chenshi powder metallurgy Limited company to use the wealth of expertise and production experience, after nearly ten years of development, the company is currently the  main application of powder metallurgical product and service areas: Automobile shock absorber piston, valve parts, powder metallurgy, guide; gasoline engine, diesel engine and   ...【details】

 

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