1.through IS 9001:2008 2.plastic window and door committeeof china construction metal structure association 1) Materials: aluminum alloy and plastic2) Surface treatment: powder coating3) Color:RAL color system,all colors available4) Operational life test:50000time at least5) Fuction:4directions turning and 8direction turning for option6) Pin 7*7mm, Length:30-40mm,normal size:35mm,7*7mm7) Easy to ...
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