China Factory stainless steel Square Door Knob

Income Materials-IQC Report & Material Test Report

Cutting-Worker measured the length of every 1000pcs to make sure size according to the order request.

Welding-Welding process follows the quality request

Machining- 100% check of handle leveling

Punching-First piece check / every 1000pcs check

Polishing-Polishing workers have rich industry experience , to follow the surface quality request

Surface Check- 100% check of each handle

Packaging-Final check if there any accessory missing during packaging