2017 Beijing tong for reform huatong technology co., LTD. / Beijing co., LTD cooperate with us to carry out the ISO9001 quality management system certification, through consulting documents review panel into departments and on-site examination way has carried on the effective operation of the audit, has successfully obtained ISO9001 quality management system certificate. In this reform wish Beijing tong technology co., LTD. / Beijing huatong co., LTD. Development is getting better and better!!!!!!