Qingdao Liwei Environmental Protection Technology Co., Ltd. is a well-known domestic and foreign professional enterprise engaged in the r&d, manufacturing and sales of complete set of industrial dust removal equipment such as welding dust purification equipment and grinding dust removal equipment.Liwei environmental protection products are widely used in metal welding, metal grinding, laser cutting, plasma cutting and other fields of dust treatment.Liwei environmental Protection has many successful cases in China, and has been widely praised by customers, and has a high reputation and influence in high-speed railway manufacturing, railway truck manufacturing, military manufacturing, automobile manufacturing, aerospace, shipbuilding, steel structure, electrical engineering, agricultural machinery and other industries.