How to prevent the occurrence of pockmarks on the surface of fine casting production?

Hebei Fengquan Machinery Manufacturing Co., Ltd. is located in Botou City, Hebei Province, with convenient transportation and good location. It is a company engaged in casting, machining, and machine tool manufacturing. Laifengquan Machinery has always been dedicated to the manufacturing of heavy industry equipment and is committed to becoming a large-scale center;.