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• 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)