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