Zhengda company is a professional supplier dealing in exact shaft and gear shaft assembly, having more than 400 suits of many kinds of equipment, the products used in automobile, motorcycle ,garden  machine, electromotor etc, sold about over 10,000,000 sets products in the last year.

His subordinate company , Zhengda Casting, is a professional supplier dealing in gravity casting product, the products used in automobile cylinder head, construction machinery engine cylinder head, and different types of gravity casting products of auto parts, having casting, T6 heat treatment, a complete set of machining equipments, advanced flexibility product lines and checking equipment, with 100,000 sets products capacity per year.

Till now, we have been the main supplier for some famous companies in china and oversea. We use advanced technology standards, by our own strong technical. research& develop ability and perfect quality guarantee system to ensure our quality with stability, reliability and security.

Now, with the global economic to be integrated, we innovate continuously with full confidence, to show the best products in the world. Hope  to cooperate with all of the clients with sincerity.

Develop to be the professional world-class supplier which deals in exact shaft ，gear shaft assembly and cylinder head. To be better and stronger is our guide line. Sell more than 30,000,000 sets of exact shaft and 200,000 sets of cylinder head, and the products develop to be the best in the similar area. We are now preparing for TS16949 Certification and will finish it in the near future.
  With the baptism of the market environment, Zhengda innovate continuously and to be perfect step by step to establish the modern enterprise manage rules to suit for develop requirement in any time of Zhengda develop process. With the technical grown up and more persons with ability serving for us ,we are expanding many more areas.