DLYY-DH311 Servo Hydraulic Training Device Entirely of industrial real components, the training process is clean, no oil spill is the biggest feature. Can be used based on the basic principles and practical operation of early advanced hydraulic control. Also be used for servo control (1) Input voltage: three-phase five-wire AC380V, 50Hz 2. System pressure: below 6Mpa 3. System flow: below 10L/min (4) Motor: 380V, 1.5Kw Q1：What factors affect the price? A. The quality of components: All the components we use are real industrial components which under EURO standard. B. Technic: we pay much attention on the technics and details. Our products meet the requirement of Germany standard C. Quantity: The price is up to the quantity of each item. Q2: All equipments are designed by Dolang? A. Yes. All our equipments are designed by ourselves. B. The design department including: Electric research design department, Electrical research design department, Mechanical research and design department, Software research design department, Pilot test department and technical documents department. Q3:Does Dolang have after sales service and training service? A. After sale service: All our products have one year maintance from the date of pick up except artificial damage. B. Training: Customer may ask our engineer to training them in their company or come to Dolang for training