- Shandong Hengtong Biotechnology Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Topsun Industry Co. Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Minerals Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Taihe Chemicals Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Golden Way Industrial Ltd.
- Main business:
- East AsiaChina(Mainland)
- Qingdao AMA Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Sanyi Chemical Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Lesmart Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Hileaders.Co.Ltc
- Main business:
- East AsiaChina(Mainland)
- Shandong Jinmei Biotechnology Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Hileaders Co,.Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Jiuqiu Industrial Co.Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Reyoung Pharmaceutical Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Kangkun Machine Co.Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Saintkin Engineering Co, Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Efield Piping System Co.Ltd
- Main business:
- East AsiaChina(Mainland)
- Qingdao Sinofurniture Co.,Limited
- Main business:
- East AsiaChina(Mainland)
- Shandong Oriental Tube Co., Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Tianhe Plastic Co.,Ltd
- Main business:
- East AsiaChina(Mainland)
- Shandong Tianhe Plastic Co., Ltd
- Main business:
- East AsiaChina(Mainland)