Qingdao Leader Machinery Co.,Ltd is an experienced and professional manufacturer of plastic extruder and extrusion lines for years. We can produce various equipments, including plastic pipe extrusion lines, plastic profile extrusion lines, plastic sheet/plate extrusion lines and also some recycling and pelletizing machines etc. According to different requirement s of each customer, our engineers will provide most professional mechanical design and manufacturing, and the complete processing techn.....

Qingdao Royal Machinery Co.,Ltd is one of the main enterprises specialized in manufacturing plastic extrusion machinery in China area. We participate the international technology exchange positively and cooperate with the related institutes closely since founding. We try our best to supply high-quality products and warm service for clients, and after years of unremitting efforts, the quality of our products have been increasingly improved. The RM series products which we develop targeting the in.....