- company name: phuong bac mineral & transport joint stock company (Vietnam) - year established: 2004- selling mineral produce such as: refined kaolin (size: 325 mesh) , calcium carbonate (using for product paint, paper, plastic. . . ) , silica sand, coal, dolomite, talc powder, bentonite. . . . - supply transporting international freight forwarding sea- investor: vietnam person. - main customers: whitehorse ceramic company, k & H company, sinabo in vietnam- quality: good quality-certificate from vinacontrol (in the absence of msds) . - product brand: norstar- equipment: China and Japan- contact person: Tina nguyen