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