Tianjin Hollysen Metal Product Co. Ltd is one of the biggest scaffold manufacturer in North of China. We take great pride in our strong production capability that comes from the comprehensive deployment of such production lines as forging, punching, foundry, metal processing and powder coating. We can provide you the scaffold, system scaffold, forged clamps, caster, side bracket, screw jack, coupling pin, guard rail post, cross brace. The output per year is 20000...