Q1: Can I get some samples? Yes, but we need negotiate sample price and shippment fees. Q2: How long will be this shipped ? 7 days after recepit of down payment or full payment. (Except in special cases: customized product or large in quantity) Q3: How long is the warranty? One year. Q4: Is the wheelchair for indoor or outdoor use? It was designed for both indoor and outdoor use. Q5: How can I assemble the wheelchair after i receive the wheelchair? Our sales team will help you 24 hours. Q6: Can I get some more parts like wheels, batteries and other parts? Yes, but it is not free. Q7: Would you accept OEM orders? Yes. We'd like to produce our customers' OEM/ODM orders.