Tianjin Ruijie Steel Pipe Co., Ltd. ya kawo 2,500 tons na jikin ssaw spiral steel pipes don China Railway Group Limited year 2018, an shi ne yanzu highway steel piling pipes. Jikin na steel pipes ya ci gaba 529-1660mm.
ShareTianjin Ruijie Steel Pipe Co., Ltd. ya kawo 2,500 tons na jikin ssaw spiral steel pipes don China Railway Group Limited year 2018, an shi ne yanzu highway steel piling pipes. Jikin na steel pipes ya ci gaba 529-1660mm.