Qingdao Gang Zheng Plastic Machinery Co., Ltd. (original Qingdao Zhengkang Plastic Machinery Co., Ltd. is ) is a specialized company producing plastic machinery, and heavy quality and trustworthy provincial advanced enterprises. Our company for the old state-owned enterprises was established in 1993, with twenty years experience in production and sales. There are many stable customers. "Gangzheng" brand in plastic machinery, has been wll known all over the country and we have exported to 15 countries and regions.