- Cong Ty Khoang San Hai Phong
- CaCo3,Dolomit,Zeolite,Talc,Felspar,Quazrite,Lime powder,Mangane,Kaoli,on - metallic.
- Address:TruongSon tow
- Tien nong - Thanh Hoa Enterprise
- NPK compound fertilizers,KNS compound fertilizer,Water treatment,ores,Liquid Fertilizer,Zeolite Powder,Calcium Powder,Dolomite Powder,COMPOUND FERTILIZER.
- Address:274B ba trieu
- haiphong mineral joint stock company
- Dolomite,Zeolite,Lime powder,TAL ore,Feldspar,Quazrite,Flour - spar,Kaolin.
- Address:AnTrang Industrial Zone
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