- TQC Corporation
- Address:343 / 5F To Hien Thanh
- Nguyen Phat Trade & Import Export Co.,Ltd
- Address:An Duong
- Nguyen Dinh Son
- Address:Hoang Van Thu
- Vinh Quang
- Address:102 Room,6A House - The Collective Quarter Of Hanoi Water Resources University, Ha Noi City, Viet Nam.
- TH chemical co., ltd
- Address:SYUNFSHG street
- Pham Quang Truc
- Address:33 King Street
- Doan Phat Co., Ltd.
- Address:92A Truong Chinh Street, District 12
- DL Hyperlink JSC
- Address:No. 7 Le Hong Phong
- INCHEM CO., LTD
- Address:15b1 Dong Son Street
- Vu Hoang company
- Address:98 Kha Van Can street
- Tinviet Company Limited
- Address:1503 Ha Thanh Plaza Building 102 Thai Thinh
- LE PHAM SHIPPING COMPANY LIMITED
- Address:478 Le Thanh Tong Str