Columbia Chemical은 GMW Type B Code G Clear, GMW Type B Code G Black 및 GMW 16730에 따른 패스너에 대해 GM으로부터 아연-니켈 약품 승인을 받았다.

Columbia Chemical - OEM Process Approvals & Specifications We work closely with OEMs to ensure we're providing plating processes that exceed their requirements. Learn more about our process approvals. from WWW.COLUMBIACHEMICAL.COM