- Beijing Superior Drilling Equipment Co., Ltd.
- Common Member
- Partner company:
- SHISHI LUNDBECK TRADING CO., LTD.
- Hebei Sun Run Hardware Co., Ltd
- Xiantao Gongbing Labor Protection Appliance Co., Ltd
- Zhejiang Demin Electric Co., Ltd
- Jinan Star Bake Machinery Equipment Co.,Ltd
- Shern Shang(Huizhou)Industrial Co., Ltd
- HENAN DOWELL CRANE CO.,LTD
- Changzhou HXD Bearing CO.,LTD
- Olink Technology Co., Ltd
- SHENZHEN CAN TRACK TECHNOLOGY CO.,LTD