The business phase has several hurdles including access and permission to use railroad tracks and railcar repairs .
业务开发阶段有几项障碍,包括接入和获得使用铁轨以及铁路车辆维修的许可。
Company officials say the qingdao facility now has a capacity of nearly one railcar per day , but may have to speed up : it can take three months to make one railcar .