On June 27, a new product technology of open-tope wagon was transfer to other Chinese wagon manufacturers under approved by the Ministry of Railway. This wagon was developed success by CNR Qiqihar Railway Rolling Stock (Group) Co., Ltd.
The load capacity of wagon is 70-ton, 10-ton more than old type C64. The wagon adopted type ZK6 or type ZK5 bogie and No. 17 coupler with E class steel. It can meet the needs of hauling 10,000-ton train and dumper. The design speed is 120 km/h.
