npauj npaim valve ductile hlau chav kawm 150
Georg Fischer Piping Systems (GF Piping Systems) muab cov tshuaj thermoplastic rau kev nyab xeeb kev thauj mus los, muab khoom thiab kev kho dej ntawm cov nkoj. Lub tuam txhab muab cov khoom zoo, hnav-tiv taus cov kav dej yas, nrog rau cov li qub, ntsuas thiab ...
saib kom meej