· Harbin Hongguang Boiler Group Co., Ltd. · Jiangsu Shuangliang Boiler Co.,Ltd. · Shanghai Boiler Works Co., Ltd · Taishan Group. · Babcock-Hitachi Dongfang Boiler Co., Ltd. · BASF(Shanghai) Co.,Ltd. · Cochran Ltd--------England. · John Thompson Boilers--------South Africa. · Machine Sazi Arak----------Iran. |