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