HongKong Tongsheng Group was founded in Hong Kong in 1983. Our group owns import and export licenses. As a multifunctional group, we are engaged in the scientific research, production and sale of machinery.Our subsidiary companies,Dongguan Tongsheng Machinery Co., Ltd and Dongguan Jinjun Machinery Co., Ltd., which are specialized in the research and manufacture of 10ml to 200L plastic blow molding machines, the manufacture of plastic machine peripherals and the design, installation and ...