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