2017, wei Chen (Beijing) security service co., LTD cooperate with us to carry out ISO14001 environmental management system, OHSA18001 occupational health 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 achieved ISO14001 environmental management system, OHSA18001 occupational health management system certificate. In this ZhuWei Chen (Beijing) security service co., LTD., the development is getting better and better!!!!!!