Founded in 2005, Nanjing Depurate Environmental  Technology Co., Ltd. (Formerly name: Nanjing Depurate Catalyst Co., Ltd., "Depurate" for short.) covers an area of 20,000㎡,with the registered capital of CNY 50 million; The annual output is over 8 million catalysts and 3 million accessories. As a market leader in small engine catalyst market, Depurate provides high-quality products and excellent services.

Depurate has real practice in all regulations, works together with customers on certifications Of EPA, CARB, E-MARK. All series of catalysts meet EPA, CARB, Euro III-V and further emission requirements.

Depurate possesses ISO9001, ISO14001, ISO45001 and ITAF16949 certificates; established the jointly R&D center with TICERI, lab TÜV  and VCA.

In 2021, Depurate Taiwan was established, focusing on developing and serving customers in overseas market. lts professional export experience and expert R&D ability has earned a good reputation from customers worldwide.