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 technology to meet their special application requirements.