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