H20 Wood Beam
Oct 08, 2009
A) Flange:solid sawn pine lumber flange
B) Pine plywood web.
C) WBP phenolic resin (professional glue for H Beam)
D) Painting on the surface of flange and web: with yellow, waterproof, fireproof, rot-proof and frozen-proof
painting, and the.....
Long Yan Build Beam Co., Ltd