- Beijing Rierchance Technology & Development Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Isoplus New Materials Technology Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Dongshun Bowang Petro-Machinery Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Tiangen Biotech (Beijing) Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Juyuanzhai Industrial & Trading Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Tangchaoshengshi Technology & Trade Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Crvab Bio-technology Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Shifa Technology & Trade Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Veritell Inspection & Technology Co.,Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing KWF Sci-tech Developement Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Beijing Crowsun Hardware Building Materials Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Fangsheng Yida Science and Technology CO.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Beijing Sincoheren Science & Technology Developing Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Beijing HRX.IMP& EXP Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Beijing Starlight S & T Development Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Core Technology Co.,Ltd.(Beijing)
- Main business:
- East AsiaChina(Mainland)
- Aoruide International Chemical (Beijing) Co., LTD
- Main business:
- East AsiaChina(Mainland)
- Jiatai Longhe (Beijing) Co., Ltd.
- Main business:
- East AsiaChina(Mainland)
- Yatai Yongcheng(Beijing) Co.,Ltd.
- Main business:
- East AsiaChina(Mainland)
- Beijing Metal Import and Export Co.,Ltd.
- Main business:
- East AsiaChina(Mainland)