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