Lixin LISEN (predecessor RYT), Zhejiang Ruiyao Testing Technology Co., Ltd.) is a global supplier focusing on product quality inspection and compliance services. Established in 2010, the laboratory is located in Yiwu Science and Technology Pioneer Park, Zhejiang Province. It covers an area of 1000 square meters and has advanced laboratory facilities. Specialized institutions with third-party qualification engaged in inspection and testing of industrial products and consumer goods. The company has passed CNAS laboratory accreditation and CMA qualification accreditation measurement certification. The report issued by the company has international authority. The company strictly manages in accordance with ISO/IEC 17025 international standards and carries out the detection of toxic and harmful substances limited by international and domestic laws and regulations for various consumer goods and industrial products, such as phthalate esters, azo, formaldehyde, hexavalent chromium, heavy metal content testing, ROHS six items, toys and heavy metals and other related items, whose fields involve electronic and electrical appliances, toys and children's products, clothing, spinning, etc. Fabrics, shoes and packaging materials, cosmetics and other industries.