We,Ore world trade co.,ltd in Tangshan, is a specialized world trade company in construction materials. At present, the products we export are refractory materials, thermal insulating materials, calcium sulphoaluminate cement, concrete expansion additive etc. and the products we import are concrete strengthen additives, iron ore,used rails etc. If you need the products introduced here or you want to sell your products at china market do not hesitate to contact us by e-mail and we will give you prompt response.