Precision Punch and pin for metal die 

Chenghui Precision Quality system 

At Chenghui Precision Mould, quality is maintained throughout the entire manufacturing process. Using dimensional and optical inspection methodologies, Chenghui Precision Mould ensures that the tolerance and dimensional integrity of each part remains uncompromised.

Chenghui Precision Mould operate ISO 9001:2000 system; such as product abnormal handling process program and and customer complaint handling program, committing to continuous process improvement eliminating variability and inconsistency within the manufacturing process.

Document and data ensure product quality continuously stability.

Applying quality tools CPK assure key point and key size.