door hinge,steel hinge,industrial hinge: material:stainless steel 304 surface treatment:polishing,drawbench door hinge,steel hinge,industrial hinge:SHJ402material:stainless steel 304surface treatment:polishing,drawbenchopening angle:above 180 degreesaccessories:stainless steel screwslife:over 5 years to 10 yearsIt is mainly used on furniture,ship,container truck,reach-in refrigerator,big cabinet, ...