Our Certificate Yangli Group meets the highest quality requirements guidelines and our strict quality control system. We had many certificates: such as ISO锛汣E锛汿op 100 China machinery-industry-company certificate; CQC certificate; China well-known brand certificate. Here are the two certificates for our mask making machine. Our Service 1.Pre-sale-product advantage Product feature introduction: The advantages of the product compared with other products in terms of function, design, performance and appearance. 2.On sale-quality advantage Mask making machine quality introduction: machine must be guaranteed to be authentic licensed, and the quality of the item must meet the requirements of relevant standards. 3.After-sales-maintenance advantage Machine warranty introduction: While guaranteeing the quality of the machine, if it is unintentionally damaged or damaged for other reasons after use, please contact the dealer for warranty during the warranty period.China medical face masks manufacturers website:http://www.milforceboots.com/