- Liangyungang Hyman Quartz Product Co., Ltd.
- Main business:
- CROWN LAB SUPPLIES
- Main business:
- Haimen Changlong Instrument Co., Ltd.
- Main business:
- Shanghai Heqi Glassware Co., Ltd.
- Main business:
- RAC EXPORTS
- Main business:
- TAJ INTERNATIONAL
- Main business:
- Ningbo Kingstic Trading & Industrial Co., Ltd.
- Main business:
- Yancheng City Huaou Industry Ltd. Company
- Main business:
- Yancheng Hongda Medical Instrument Co., Ltd.
- Main business:
- Shanghai Cartain Industrial Co., Ltd.
- Main business:
- Donghai Kaiwang Quartz Products Co., Ltd.
- Main business:
- Guangzhou Allfine Medlab Co., Ltd.
- Main business:
- Yancheng Jingxin Glassware Co., Ltd.
- Main business:
- Beijing Hengrunxin Import & Export Trading Co., Ltd.
- Main business:
- Qingdao Hiprove Medical Technologies Co., Ltd.
- Main business:
- Yancheng Yongkang Lab Instruments Factory
- Main business:
- Lianyungang Guoyi Quartz Products Co., Ltd.
- Main business:
- Biobase Biodustry (shandong) Co., Ltd.
- Main business:
- Lianyungang Highborn Technology Co., Ltd.
- Main business:
- GLASTRON LABORATORY EQUIPMENTS
- Main business: