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