Qingdao Longchangjie Machine Co., Ltd.  

Qingdao Longchangjie Machine Co., Ltd. Our company (formerly known as Qingdao Changjie Machine Co., Ltd.) is located in the world-famous port and coastal open city-Qingdao, enjoying convenient traffic transportation in sea, land and air. During past 10 years, our staff members absorbed professional technologies from domestic and overseas markets. Cooperating with domestic scientific research institutions, we devote to the research, development, design and manufacture of all kinds of extruding machinery. Our technology comes up to the domestic and international advanced level. Now our company has comprehensive abilities to design, manufacture and develop three series of plastic extrusion lines including pipe production line, plate production line and profile production line. Meanwhile we can also provide customers with the auxiliary equipment, various molds and part processing services! In order to protect our brand, Changjie brand has been registered in the China Industrial and Commercial Administration. In order to carry out scientific administration, we pass CE and ISO international quality system certifications. To improve the overall quality of enterprise management, we implement 7S on-site management standard. All these are done to improve our product quality, company efficiency and supply better service to customers!