Manual projection screen

"Yangtze River card" projection screen chain Series: Manual wall screen, also known as self-locking screen, that is, the use of 360 ° pull-stop device, you can drop-down projection screen to any position needed, gently place one can be automatically locked, hand portable, flexible; Shell spray processing, shell color optional;curtain, white plastic curtain optional; 1:1,4:3,16:9 specifications, special specifications can be customized; five corrugated packaging boxes for foreign packaging, with a honeycomb for lining, external to undertake OEM.