qpq processing

In the metal surface heat treatment, metal surface hardening treatment of high-tech enterprises, always walk in the cutting edge of technology liquid salt bath nitriding. The company through the use of advanced German salt bath nitriding, hard nitride, SQP, QPQ, NQPQ technology, strengthen the metal surface to improve the surface hardness, effective solution to the metal parts corrosion, abrasion, fatigue, deformation and so on.