- EMSH - NGTech
- Address:
- Derchances Trading Limited
- Address:Kwai Ting Road
- TaiHeng Chem Co.,Ltd.
- Address:Unit No 609-617, 7 / F. , Trendy Centre 682 Castle Peak Road
- Einstain Fine Chemical Inc
- Address:Unit C 3/F, Kui Yip Bldg.,18 Granville Road, Tsim Kowloon
- TianYu chemical co.,lid
- Address:shifeng road