The company has a complete team that complies with the ISO9001 quality certification system. Each product is strictly inspected to ensure the quality of the product, and each product is provided with a product quality inspection report. In order to ensure the accuracy of product analysis results, in addition to strict training for analysts and strict quality standards, we are equipped with a large number of analytical instruments. In order to ensure the quality and safety of the products supplied, the Group also invites a third party company to supervise and re-inspect the quality inspection process to ensure that each batch of products meets the requirements of customers.