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| Welding Project of Metro Tunnel Steel Lining Repair in Shanghai | Welding Project of Shield Body of Tunnel Boring Machine in Changsha, Hunan |
bqmarketing@botsing.net
+86-010-87227628
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| Welding Project of Metro Tunnel Steel Lining Repair in Shanghai | Welding Project of Shield Body of Tunnel Boring Machine in Changsha, Hunan |
Beijing Botsing Technology Co., Ltd.
Room 1908, 19th Floor, Block B, Chaolin Plaza, No. 19, Ronghua Middle Road, Beijing Economic and Technological Development Zone
+86-010-87227628