Q1: Are you a factory or a trading company? Answer: We have been sales representatives of cooperative factories for many years, with quality control and only providing ultra-high quality. Q2: Can we test your sample? Answer: Yes, the sample fee will be refunded to you when placing a bulk order. Q3: How do I pay for the purchase fee? Answer: After calculating the total cost, payment will be made through Alibaba Trade Assurance orders, wire transfers, PayPal, Western Union, and other means. Q4: Can you guarantee your product? Answer: Yes, we guarantee 100% satisfaction with all of our products. If you are not satisfied with the quality or service of DBS, or if the product does not meet the requirements, please feel free to give us feedback at any time. According to the contract requirements, we will send you replacement parts free of charge or compensate you in the next order.