national standard inverted chain hand chain hoist 1t2t small hoist lifting 5t crane household round triangle manual iron hoist

national standard enhanced circular section(国标加强圆形款) national standard reinforced national standard triangle(国标加强国标三角形款) round economic style(圆形经济款)

1 ton 3 m(1吨3米) 1 ton 6 m(1吨6米) 2 tons 3 meters(2吨3米) 2 tons 6 meters(2吨6米) 3 tons 3 meters(3吨3米) 3 tons 6 meters(3吨6米) 5 tons 3 meters(5吨3米) 5 tons 6 meters(5吨6米) 1 ton 9 m(1吨9米) 2 tons 9 meters(2吨9米) 3 tons 9 meters(3吨9米) 10 tons 3 meters(10吨3米) 10 tons 6 meters(10吨6米)