http://www.zjmglobal.com - Shanghai Zhongji Machinery Manufacturing Co., Ltd Was established in 1992. Our company has 3 factories in Shanghai which cover a total area of 50,000 square meters of land, with more than 600 staffs and workers. We are the leading and reliable manufacturer of PU/mineral wool sandwich panel production lines, EPS/EPP machines,3D panel machines and roll forming machines, We are the first drafter of the china national standards for 3D panel. During the past 20 years, We passed and had been approved for the CE certificate, ISO 9001:2000 Quality Certificate, and more than 50 patents. The double bel