... used as a transmission--drive wheel Drive wheel! Packaging & Delivery Packaging Detail:wooden package Non fumigation be suitable for ... one is machining workshop• Price• Country of Origin• Quality Approvals• Form E/F/A/B;CO;FTA,ETC ... than 2 complaint cases . 2, material of steel type of 15#,20#,25#,30#.35#,40#,45 ... on giving materials. 5, excellent heat treatment. High quality steel rail wheel