STONKAM® was audited by ZHONGGUI (BEIJING) CERTIFICATION CO.,LTD, one of the leading global certification agents, for IPMS (Intellectual Property Management System) certification from Nov. 27th to Nov. 28th.

During audit，experts have checked all of our implement processes in person based on the standard of GB/ T29490-2013.

On December,13th,STONKAM® successfully acquires the certification of Intellectual Property Management System.