- Wuxi Youerte Material Co., Ltd.
- Address:qiangao road
- Shandong Zouping Shuanghuan Machinery Manufacturing Co., Ltd.
- Address:jiaoqiao
- Zhongwang Group
- Address:USA
- Shandong Nanshan Aluminum Co.,Ltd
- Address:Room 3310 China Merchants Tower, No.161 East Lujiazui Road, Pudong New Area Shanghai Shanghai 200120 China
- Nanjing Shengyou Metallic Material Co .,Ltd
- Address:No. 2,BUILDING NO 5, FOUR CORNER WELL BUSINESS STREET,LV CROSSING STREET,YONGXING COMMUNITY,JIANGNI Shanghai Shanghai 210000 China