
Fujian Pengkun Industrial Co., Ltd.Fujian Sheng, China

Tianjin Hainuo Technology Co., Ltd.Tianjin Shi, China

Yonshin Denki KK

Shenzhen Stengda Technology Co., Ltd.Guangdong Sheng, China

Copper John Corp.United States

Shandong Xinhua Special Steel Group Co. Ltd.Shandong Sheng, China

Ningbo Shangfuyuan Environmental Protection Technology Co., Ltd.Zhejiang Sheng, China

Jiangsu Zhuanyi Purification Technology Co., Ltd.Jiangsu Sheng, China

Nippon Kako Toryo Co. Ltd.Japan

Yancheng Dafeng Dalong casting and maunfacturing companyJiangsu Sheng, China

king enterprise co., ltd.

Henan Huayu Science and Technology Industry Corporation