1. Used in concrete condition. 2. Quality milling bits help to reduce machine downtime. Sunrise (Ningbo) Precision Metal Parts ... in manufacturing a wide selection of quality wear parts for road milling machines. Sunrise can provide you with the following:Wirtgen ... , W6R, W6HR, W6ER, W6EHR, W6SR, W6SGR, W7ER, W7EHR, W8EHR, W1-10R, W1-13R, W1-15R We can customize products for you upon requests. Highlight ...