Qingdao Royal Machinery as an ISO9001 and CE certified manufacturer in plastic machinery, we supply our customer with various models of pipe, profile, sheet and board extrusion lines as well as other auxiliary machines, including plastic mixer, pelletizers and crushers with different models. As one of the professional manufactures of plastic machinery in China since 1995, we export large quantity to Middle East, Russia, South America and Africa countries, due to high quality and reasonable price. We are ready to refer you our favorable price and related samples, for quality evaluation and marketing activities.