Rock fence rock fences protects vehicles and passengers against falling stones from embankments or exposed rocks. The shock of falling rocks are absorbed by the wire ropes and the H-beams which are designed and constructed strongly so that they can endure the weight of the rocks. G - fence Color fence Sangjin manufactures and sells newly future-oriented fence produced by the exclusive auto machine line. This fence has the admirable quality characteristics as follows This is perfect fence of a single panel with beautiful outllook. * This fence has a remarkable anti-rust nature to preserve semi-permanent life. * Special painting after galvanizing shows beautiful color and unfading freshness. * Because it is simple and easy to install fence, you can install it adjusting its height and angle at your    disposal and guideline will be provided. * We supply spare parts such as fence post, clip, sus bolt & nut and clamp necessary to install fence on    your demand completely. Bridge inspection platform