Zhengzuan is specialized in R & D and MFG technology of super hard cutting tools for 19 years. And also provides quality products and technical solutions through the standard and non- standard production line.
The impact of Zhengzuan brand not only lies in the creation of cutting value, but also from the continuous efforts and investment for promotion of Zhengzuan brand super hard cutting tools.
PCD welded grooving tool（GW301/GN301/GF301）
PCBN welded grooving tool（GW401/GN401/GF401）
PCD milling reaming countersinking compound tool
Usable range:piston connecting pin hole
Application fields: automotive industry——piston
PCD spot facing tools
Application range: Piston spot face
Application industry: Automotive--piston