completed or under construction by fixed welding machine-凯发彩票

•            heyuan welding base  (k190)

•            jiaoji 2nd line welding base (k190)

•            welding section of chengdu railway bureau (k190, k1000)

•            welding factory of jinan railway bureau(k190)

•            xiangfa welding base in hubei (k190)

•            sanping welding base in xinjiang (k190)

•            welding base of hainan east ring (un5-150g)

•            welding base of saudi arabia 200bid (un5-150g)

•            luohuang welding base in chongqing (k190)

•            huangpo welding base in hubei (k190)