Aluminum up down/double hung/lift and sliding window on China WDMA bifold 3) Plywood feature: strong nail-holding

3) Plywood feature: strong nail-holding power makes sure door leaf is fixed on the jamb firmly

it depends on the windows and doors types and design on color

EN standard wooden fire rated door

so before we quote

Aluminum Alloy profile

Aluminum up down/double hung/lift and sliding window on China WDMA bifold 3) Plywood feature: strong nail-holdingName Aluminum up down double hung lift and sliding window Open design Sliding or casement(french),awning,fixed,tilt turn etc Color type White, grey, brown, black, wood color Frame material Aluminum profile ( normal or thermal break ) Glass type Tempered single or double glazing glass Hardware&fittings 1, Germany ROTO hardware and other top grade hardware 2, Chinese hardware(top grade,middle grade,common grade) Mosquito meshes Metal,stainless steel and