Home > Products > Production Process
Chun Yu has an integrated production process which is auto-controlled by computers to ensure the stable quality of materials. In order to diversify the type and size of Bolts and Nuts products, we acquired the six-die six-stage forming machine and hot nuts forming machine. Our massive capability of tapping screws always manages to meet our customers’ needs and productivity adjustment. Chun Yu provides wide range type of products and services from large transportations like airplane and Taiwan High Speed Rail to home electronics such as computers and appliances by our advanced technologies and comprehensive quality control.



Production Process


Hard Wire Drawing


Rod Annealing

Preannealed Wire Drawing