Tangshan Tongshun Industry and Trading Co.,Ltd, founed in 1995 is a large export and import company. We mainly deal with slag,GGBFS and fly ash which are used as constructional material. With full experience of exporting, We, Tangshan Tongshun Industry and Trading Co., Ltd is well-knowed in the international market for our reasonable price and excellent goods. If anyone is intersted in our products please do not hesitate to contact with me. And i think we can cooperate with you in the future day.