America NFRC AS2047 Standard soundproof thermal break double glas bifold door exterior bifold doors

ISO9001/AS2047

Customized

Double glass(can be customized into other design such as:,Single/Tripled glass;
Low-E glass, Tempered glass, Laminated glass, Frosted glass, Hollow glass, etc.)

Optional(4mm, 5mm, 6mm, 8mm; Space: 6mm, 9mm, 12mm, 16mm, etc).

Sliding 

Aluminium Alloy

Wooden package

By sea

1 pcs acceptable

1) Manufacture with lower price and high quality

2) Professional engineer with more than 10 years designing experience

3) Strict QC to guarantee the high quality