YD11 Automatic Man-Drive Computer Control Screed Thermoplastic road line marking machine The type I is for flat line, and the type II is for flat line and convex line. 1. It is a perfect equipment for urban big or middle scale road line marking operation. 2. Its advanced hydraulic drive stepless variable speed control system can adjust and control speed accurately. 3. The optimal design of its drive can control the machine operation effectively to ensure safety under emergent circumstance. 4. Its screeding structure can make the marking line straight and beautiful 5. Its sensitive, accurate and stable computer control system can realize all operations conveniently.