Hongkong Tongsheng Group was founded in Hongkong.1983, it owns import and export license, it is a multifunctional group engaged in machinery scientific research, production and sale. Its subsidiary companies are Dongguan TONGSHENG Machinery Co., ltd., which specializes in researching and manufacturing plastic blow molding machine from 10ML to 200L, and Dongguan Tongsheng Machine Co., Ltd., which specializes and manufacturing plastic machine peripherals and cool water system design installation.