· Dongfang Boiler Group Co.,Ltd
· 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.
·