Qingdao Double Grand Metal Products Co, .ltd

*easy assemble and disassemble *environment friendly *save money, labor cost and time *long endurable life time *good appearance *rust proof *ea

*easy assemble and disassemble *environment friendly *save money, labor cost and time *long endurable life time *good appearance *sound, hot, col

1. Easy to install and re-locate 2. Competitive price 3. Good appearance 4. longer life use .

* 36x28x6.2meter *Maintenance: roof and wall for sandwich panel *Sliding window and door *Low cost *Fire, cold, hot, rust proof, good insulation

1.low cost 2.easy erection, recycle 3.long life time 4.good apperance, eco-friendly 5.good insulation with rust, hot, cold, bad weather proof

*easy assemble *long endurable life time *new design *environment friendly *sound, hot, cold, rust proof, good insulation

*eco friendly and good appearance *easy assemble and disassemble *water, rust, wind proof *long endurable life time *storage, mini storage *high

*good appearance *fast erection *wind, snow, hot, sound, rust proof *save money and time, labot cost *long endurable life time *modern and custom

1.Low price 2.Easy and fast erection 3.Easy and quick installation 4.Long life use 5.Save energy 6.good insulaltion and wind, snow, earthquak

*large span *wind, snow, water, earthquake proof *long endurable life time *good insulation *fast construction

*heat, cold, rust proof *good insulation *good appearence *environment friendly *steel sheet+eps foam+ steel sheet *easy to install

Rock wool sandwich panel for steel structure building *good appearence *heat insulation *anti rust, fire proof *eco-friendly *fast erection *s

*good appearence *wind, rust proof *without insulation effect *easy to install and delivery *galvanized or painted

*galvanized or painted *good quality *steel frame bracing support *high endurable strength *long life time *fast erection *save money, time, lab

*Q345B and Q235B *painted and hot dip galvanized *high endurable strength *used for column and beams