Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.

Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.

Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.

Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.

Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.

Coal mining machinery casting is using sodium silicate lost wax casting,silicon sol solution casting and sand casting process,And Sebon produces precision steel castings which are made of alloy,general carbon,stainless,high manganese steel.