Zhejiang Huachen Screw Manufacturing Co., Ltd. was established on September 28, 2005. It mainly engages in the manufacturing and processing of chemical, pharmaceutical, glass-ceramic machinery, plastic machinery, chemical fiber machinery, barrels, screws, and mechanical parts. After several years of hard work, it has now developed into one of the professional manufacturers in China specializing in the production of precision screws, barrels, conical, parallel twin screws, double-hole barrels, and accessories.