... design Detailed product Descriptions:moving cart, trolley, cart, trolly cart, trolly wheels , tool cart, tool wheel, flat cart, stainless steel cart, tool trolley1: high quality & low ... . Raw material include:Q235, 304, 316L, etc. Surface treatment:electro-galvanized, electro-galvanized nickel alloy, hot-dip zinc, electrostatic spray and electrolyte ...