Inner diameter：152mm

Changqingshun Hardware Manufacturing Co., Ltd. mainly processes hardware on behalf of customers, develops and designs molds, manufactures and assembles hardware as the main finished product, and aims at mold manufacturing, metal stamping, professional stretching processing and other technologies, while growing steadily, for Corresponding customers, suppliers and other related parties do not forget to be grateful at all times, and thank them for their long-term support and cooperation with Changqingsun, so that Changqingsun can continue to grow steadily and steadily.