disposable four layer non-woven mask industrial factory anti-dust haze black gray activated carbon factory direct sales

Small business operation, low profit margin, no shipping insurance. If the product you purchased is damaged, please take a photo and contact our customer service for after-sales processing. Due to the large number of styles, there may be stock shortages for some styles. If there is a stock shortage and we cannot contact the customer, we will send the available products first. If there is a stock shortage, please contact customer service for a refund. This store does not support any reason for return such as poor quality or inability to sell. Please note that the 7-day return policy is only effective for individual self-used customers. Wholesale customers who look at the sample do not enjoy the 7-day return policy. Thank you for your cooperation. The price of the shop does not include the opening of the bill. If you need to open the bill or custom, please contact the manager's WeChat.