上海隆市紧固件制造有限公司
Exhibit Profile：
A193-B7, B7M,A320-L7,L7M,B8，B8M,B16，35CrMoA， 45 # and other materials of bolts and nuts, as well as various corrosion-resistant coated fasteners,
A193-B7, B7M,A320-L7,L7M,B8，B8M,B16，35CrMoA， 45 # and other materials of bolts and nuts, as well as various corrosion-resistant coated fasteners,
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