Our company is a all-around company, we have our ingot fusing company in Guizhou province ,China, named Guizhou LuQian Fused Aluminum Smelting Factory.,which is famous for its high quality bauxite . Sande Group Grinding Materials Co.,LTD mainly uses the Guizhou abrasive bauxite ,Produce the high quality abrasive materials and high quality grinding wheels ,another company is the Zhang qiu hong da abrasives co.LTd ,which mainly uses the He Nan province abrasive bauxite. Then we are strict in every process , enjoy high quality products . And as we are not far from the Qingdao port ,the transportation is very convenience . AS we have ourselves subsidiary company as our suppliers ,we may assure you that the steady of high quality and the quantity of product