1. Certificate passed:ISO9001:2000;environmental protection;more other quality certificate; 2. various pairs double entrance doors: as follows not only can paired by you ,but also can make different size for you, like double door or mother and son door: a) outside:metal art door+inside:solid wood door b) outside: metal art door +inside:engineered wood door c) outside: metal art door+inside:steel door d) outsideú¦metal art door+inside:armoured steel door e) outside: metal art door+inside:armoured wood door f) outside:metal art door+inside:stainless steel panel door g) metal art door with door in door 3. extra accessories:locks,handles,hinges,peephole,viewer,rubber seal,installation bolt 4. package:plastic film +foam board + strong carton 5. size,design, color, hardware:according to your requirement 6. OEM&ODM is available,MOQ :20sets Delivery time :500sets in 45 days. 7. Container capacity:150pcs/20ft,360pcs/40ft,400pcs/40hq(differ upon your virtual choice) Plastic film+ foam board+strong carton