Up to now, the company has invested nearly RMB 10 million to the Central Laboratory. The Central Laboratory is equipped with more than 50 advanced test devices for more than 30 testing items, and is currently a leading laboratory in terms of scale and equipment in the same industry. Its main responsibilities: undertaking routine and non-routine test of the products of the divisions, assuring the quality of the Company's products, and issuing credible testing reports for reference in accordance with national, international and industrial regulations and standards. In June 2016, the Central Laboratory was approved as "Key Laboratory of Bao'an District”. In January 2017, it passed CNAS certification and obtained the "CNAS Laboratory Accreditation Certificate" (No.: CNAS L9568, equal to ISO/IEC 17025:2005).