Dear Sir,
Good day. Pleased to learn you are in the field of sandwich panels.

This is Alice from CNBM International Corporation (D&B rating: 4A1) We specialize in PRE-PAINTED ALUMINIUM COILS used for producing sandwich panels

Our group, China National Building Materials Group Corporation (CNBM) ranked at 259th in WORLD FORTUNE 500 in 2017. CNBM is government-owned, so please rest assured about our reputation, quality and services.

The following quotation for prepainted aluminium coils is for your reference. If your requirements are different, please kindly advise, so that I can quote you accordingly.
stucco painted aluminium coils
thickness:0.55/0.6mm (+/-0.04mm)
width:1250mm (+/-3mm)
top coating: PE, RAL9003, 18-20 microns
back coating: transparent epoxy, 5-7micron, suitable for PU adhesion
surface: with protective film
inner diameter: 500mm-508mm
core: with paper core
roll weight: about 2 tons
eye to sky
Price: $3120/ton, FOB CHINA 
Validity: 3 days
Delivery: within 40 days after receiving 25% TT.
Payment: 25% TT in advance, the rest against copy of BL.

We look forward to long-term cooperation with you and will try our best to support you.

Any of your further information will be greatly appreciated.

Best wishes,