AAC or ALC is short for Autoclaved Lightweight Aerated Concrete, which was first invented in 1923 by the Swedish architect and inventor Johan Axel Eriksson. It is a lightweight, precast building material that simultaneously provides structure, insulation, and fire and mold resistance. AAC products include blocks, wall panels, floor and roof panels, and lintels.
a) T/T, 30% deposit and other payment will be payed when you receive the ocean bill.
b) 100% L/C at sight