The quality policy of Denox is to provide customers with premium products and perfect service, honesty and integrity, to fulfill all our commitments, continuous innovation, improvement, to make product quality at the industry's leading level.

Certificate of Quality

         Quality management system：GB/T 19001-2016/ISO 9001:2015
        In 2015, Denox obtained the ISO Quality Management System Certificate for the first time, and passed the review of ISO 9001:2015 in 2018. The products and processes covered by the certification are the development and production of titanium dioxide (titanium dioxide for denitration catalyst).