1、 Before purchasing a product, first request the product specifications from our business personnel, fully read and understand the company's product parameters, and provide samples that pass the testing before use

Before mass application, try to conduct small-scale trial production as much as possible

2、 If any problems are found during use or if the technical parameters are inconsistent with the sample, please contact our technical personnel in a timely manner

3、 When purchasing products, please contact our authorized agent or distributor to avoid purchasing counterfeit goods

4、 If any product issues are found, such as parameters, labeling, packaging, etc., please contact our marketing department personnel in a timely manner;