Suzhou Seamless Steel Tube Works
Haicheng Jinghua Mineral Products Co., Ltd.
Wenzhou Zhengbiao Stainless Steel Co., Ltd.
Linyi Liangyu Steel Strip Co., Ltd
GianTek Quartz (Linyi) Co., Ltd.
Shanghai Pucheng Metal Material Co., Ltd
Reoo Technology Company Limited
Zhejiang Taigang Stainless Steel Co., Ltd
Wenzhou Baorui Steel Co., Ltd.
Zhangjiagang Yiyang Pipe Producing Co., Ltd.