Who are we? Zhongshan Guantong Plastic Mould Co., Ltd. was established in 1995 with an area of 12,000 square meters. With years' experience and development in plastic molds, Guantong is now a leading manufacturer in mold production / injection in China. Why us? Nowadays we are proud to have over 350 experienced staffs, including 10 experienced mold design engineers, 2 senior technical design engineers, 3 3D molding programmers and 16 technicians, who work side by side on your project to ...