... transmission system with good reliability.2-2, triple support rolling guide rail to eliminate gaps of support and enhance shearing quality.2 ... grating controlled by electrical system.3,main partsA, main electrical parts supply by siemensB, hydraulic system, China C, seals , JapanD, ... 5-2,quality certification5-3,packing list(include the spare parts)6,sell serviceguarantee ,one year as from the date of ...