export industrial grade glass fiber reinforced plasticsherringbone ladder 2 3 4 6 7 8 9 steps insulation ladder single side 5 feet herringbone ladder

High-end FRP step-ladder with a chevron design, following North American industry standards, features a super-strong FRP frame (Barshhardness > 50), aluminum 6005 anti-skid steps (Wehardness > 14), mechanically riveted joints, and each step has a supporting pull bar. The step spacing is 304mm (1 foot), with a test pressure of 500kg (1A grade standard). It has a unique design, bright colors, insulates (30kV), is sturdy and lightweight. This product is exported to North America all year round and has passed the American ANSI and Canadian CSA testing standards. It is widely used in homes, factories, power departments, and various types of high-rise work.