2020第六届中国(广州)国际工业锅炉、压力容器及压力管道技术展览会
The 6th China(Guangzhou) International Industrial Boiler, Pressure Vessel and Pressure Pipeline Technology Exhibition 2020
同期:
2020第六届中国(广州)国际气体、低温设备及天然气装备展览会
The 6th China(Guangzhou) International Gas,Cryogenic and Natural Gas Equipment Exhibition 2020
2020第23届中国(广州)国际流体展览会暨阀门、管件管材及法兰展览会
The 23rd China(Guangzhou) International Valve,Pipe Fittings and Flange Exhibition 2020