... and surface treatment of hot-dipped galvanization zinc. It has the characteristics of being novel, beautiful, convenient to install, sturdy, durable ... path, platform, stairs and separating fence, etc. The products accord with the international standard: British BS 6399 and BS 6180, ... 1200mm, 1500mm, 2000mm;4. Size of the Steel Pipe: Subjected to the confirmed drawing by both parties.Rail Types1. Types ...