崇左SOP for plate flat welding flange
崇左Blind flange bl
崇左Threaded flange tr
崇左Flat welding flange with neck
崇左Neck butt welding flange
Add: B3 Workshop, Jinze town industrial zone,Qingpu,Shanghai
Tel: 021-59261579
Email: panhy@sh-wakamatsu.com
