Yongwang Weld Processing Department (Lan Shirun'an Unit Shop)

Beijing Jinwei Stainless Steel Welding Materials

Hong Shunhange Parts (Gansu International Mechanical and Electrical Water Heating City Shop)

Xinhuaxiang Weld Material Hardware Labor Insurance Business Department

Hongliang Building Materials Materials Business Department

Haodong Building Materials (Gansu International Mechanical and Electrical Water Heating City Shop)