window hinge 1) Materials: zinc alloy 2) Surface treatment: powder coating 3) Color:RAL color system,all colors available 4) Operational life test:100000time at least 5) Lenghth:80mm 6) Easy to install, used in PVC window 7) Net weight:136g/pc 8) Each 5pcs hinge to one pvc bag 9) 200pcs to one carton,N.W.:27kgs/ctn G.W.:28kgs/ctn 10) Meas: 0.021cbm/ctn,carton size:47*17*15 11) Pcs/Container: 140000pcs/20' 19600kgs/20' 12) Capacity:10000pcs/day 13) OEM service available