DLFA-PDCS Belt Drive Trainer DLFA-PDCS Belt Transmission Training Set The equipment simulates belt transmission trainer, it is easy to learn , it is suitable for studnets between the ange of 16 to 20. It is for vocational schools, technical schools, colleges and engineer universities. Q1:What factors affect the price? 1.The quality of components: All the components we use are real industrial components which under EURO standard. 2.Technic: we pay much attention on the technics and details. Our products meet the requirement of Germany standard 3.Quantity: The price is up to the quantity of each item. Q2: All equipments are designed by Dolang? 1.Yes. All our equipments are designed by ourselves. 2.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