2019.02.20, According to gxhz [2019] No. 70 document, the office of national high tech enterprise identification and management leading group released the list of high tech enterprises in Zhejiang Province in 2018, and our company passed the identification of high tech enterprises in 2018 successfully, and the certificate number of gr201833000126. Over the past three years, the company has been focusing on the development of new products and technologies, and the annual R&D expenditure accounts for about 4% of the sales revenue. The company owns a batch of high-tech products with independent intellectual property rights, 18 valid patents, including 6 invention patents, and another 9 patents have been have been accepted and are being examined.