elevator guide rails 1.material: Q235 2.certification: ISO7465 3.dimension: 78mmx60mmx16.4mm 4.high quality hollow elevator guide railn TK3A TK5AOur productes have been famous for its high quality and low prices. The main products are like T45/A, T50/A, T70-l/B, T78/B, T82/B, T89/B, T90/B, T114/B, T127-2/B, etc. At the same time, we can provide hollow guide rails, such as TH3,TH3A,TH5,TH5A and ...