Qingdao Longchangjie Machinery Co., Ltd. is located in the world-famous port and coastal open city-Qingdao. The transportation takes the three-dimensional advantage of sea, land and air! For more than ten years, Longchangjie people have continuously absorbed the professional technology of domestic and foreign counterparts, and cooperated with domestic scientific research institutions. , Committed to the research, development, design and manufacture of extruder equipment, so that our process technology ranks at the advanced level at home and abroad.