1. Are you a factory or trading company? A: We are a professional e-bike manufacturer located in Foshan, China, with over 7 years of industry experience. We support OEM and ODM services. You are warmly welcome to visit our factory and inspect our production lines. 2. What are your payment terms? A: We accept T/T, L/C at sight, Western Union, PayPal, and Alibaba Trade Assurance. If you need other payment methods, please contact us directly for negotiation. 3. Can I mix different models in one container? A: Yes, we support mixed orders. Different models can be combined in one full container to meet your market needs and inventory requirements. 4. What is your warranty policy? A: 1 year warranty for battery, motor, controller, charger, LCD display. 6 months warranty for cushion, handle, sensor, etc.Please feel free to contact us if you have any questions. We will provide solutions within 24 hours. 5. What is your delivery time? A: Usually, delivery takes 20 to 35 working days after receiving your deposit. The exact lead time depends on the order quantity and model specifications. 6. What is your sample policy? A: Samples are available if we have ready parts in stock. The sample cost and shipping fee are at the customer's expense. The sample cost can be refunded or deducted from the bulk order payment. Please contact us for more details. 7. How do you ensure quality control? A: Quality is our top priority. We implement strict quality control measures at every stage of production from incoming materials to final assembly. Each product is fully assembled and rigorously tested before packaging. No unit leaves our factory without undergoing 100% functional testing. 8.Is it difficult to assemble the product? A:The assembly video and upgraded manual are available. The e-bike arrives 85% pre-assembled with instructions and tools for you to complete the assembly. Handlebars, front wheel, lights, and pedals need to be installed by yourself.