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