Chongqing Longjian Machinery Manufacturing Co.,Ltd., which was established in 1993, has a history of 22 years
so far. Longjian is specialized in manufacturing of mining machinery and various kinds of complete sets of stone
crushing and sand making machines.The land occupied by the company covers 40,000 square meters. There is more than 300 staff members in the company,80 of whom are senior qualified engineers.
Longjian is equiped with the first-class manufacturing lines and modern manufacturing equipment. In addition, it is equipped with advanced 3D machinery designing and simulation system to design, manufacture, assemble, and test products. With several patents, the company is well positioned as an international renowned professional company which combines the development and research, manufacuring, sales and after-sale service all together.
Longjian has successfully obtained the ISO9001:2008 quality management system certification in November of
2006, and obtained TUV certification in December, 2014 as well as CE in 2015.