- Shandong Shingna Medical Products Co., Ltd
- Address:NO37 Lanyan Street, Zibo, Shandong, China
- Zhongshan Trusty Hardware Co., Ltd
- Address:Hetai industrial, Zhongshan, Guangdong, China
- Longsheng Plastic Bags Factory
- Address:Dalang, Shenzhen, Guangdong, China