... ;c)Timely delivery time d) Excellent Service.2. Send to us your 3D drawing or sample,we supply service:a ... double Union valve mould, check valve mould, membrane valve mould, bottom valve mould, gate valve mould, locking valve mould, deflation valves mould, radiator valve mould, ball valve mould, ... , female, three way, cross, bend, etc.. 3. We devote to be your one-stop service from raw material supply ...