... industry, shipbuilding, railway, road, bridge, quay, school, water works, sewage treatment plant, garden path, platform, stairs and separating ... and China's standard 4053-83. Matt stainless steel surface is in line with environmental requirements. Type IndicationI ... Specification Table below. VII. Materials: C = carbon steel; S=stainless steelVIII. Oter Ball-connected Handrail Railing Specification ...