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