QINGDAO LONGCHANGJIE MACHINE CO.,LTD.is located in the world-famous port and coastal open city - Qingdao,traffic transportation has three advantages in sea,land and air. During more than 10 years, changjie staff always absorb the professional technology from domestic and overseas,Cooperate with domestic scientific research institution,devote our minds to research,development,design and manufacture kinds of extruding machineries,let our technology come up to the domestic and international advanced level.     Now our company has formed in Pipe production line/Plate production line/Profile production line three series of plastic extrusion line’s design, manufacture and development of comprehensive ability,meanwhile we can also provide customers the auxiliary equipment, various of molds and parts processing service!     Now our production line have sold to many countries of the world,in the north is Russia,Ukraine,Kazakstan,Mongolia,in the west is India, Iran,Egypt,Sudan,Libya,SouthAfrica,and also American,Vietnam,Singapore, Korean,Indonesia,Taiwan and so on. All these,thanks to our overseas customers’trust and support.     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 have passed ISO9001:2000 international quality system certificate;In order to improve the overall quality of enterprise management, we have implemented 7S on-site management standards ... ... All these for improving our product\'s quality, improving our company\'s efficiency and supplying better service to customers!     Sincere cooperation, customer first, forge ahead in unity to create a brilliant - this is our changjie staff\'s purpose of development! With the quality to win the market; With the management to create benefit; With innovation to pioneer development – this is our changjie staff\'s concept of development.     Changjie’s pursuit is common development with friends at home and abroad, mutual benefit, and creats a win-win situation! Chang Jie\'s goal is even higher! Even faster! Even stronger! ! General manager-Geng Yongchang, leading all the company’ s staff sincerely welcome you! ! !