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