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