PPGI/PPGL(color coated steel or prepainted steel coil) is a kind of steel plate with organic coating. Color steel plate is divided into single board, color steel composite board, floor board and so on. Widely ... Подробнее
PPGI/PPGL(color coated steel or prepainted steel coil) is a kind of steel plate with organic coating. Color steel plate is divided into single board, color steel composite board, floor board and so on. Widely ... Подробнее
The galvanized steel refers to a surface treatment technique that coats a layer of zinc on the surface of a metal, alloy or other material for aesthetics, rust prevention, and the like. The main method used is ... Подробнее