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July 2021

Obtained the certificate of the unit participating in the compilation of the group standard "Specification for Mechanical Cleaning of Oil Tanks in Gas Station" issued by China Industrial Cleaning Association (the main drafting unit)

July 2021

Won the title of Advanced Unit for Standardization of China's Industrial Cleaning Industry

May 2020

Obtained the national certificate of explosion-proof electrical equipment installation capability (certificate No.: CNEx.2020C0154) Obtained the national certificate of explosion-proof electrical equipment maintenance capability (certificate No.: CNEx.2020C0155)

October 2019

A sludge treatment device based on water jet cleaning of product oil tank was developed, which was patented by the State Intellectual Property Office (Patent No.: ZL201,821,950,649. X) An oil and gas treatment device based on water jet cleaning of product oil tank has been developed, and has obtained the patent of the State Intellectual Property Office (patent No.: ZL201821950648.5)

April 2019

A separation equipment for highly efficient treatment of oily sludge containing wastewater by gravity method has been developed, which has been patented by the State Intellectual Property Office (Patent No.: 201821148573.9) The oil tank circulating cleaning equipment (VTC-200R) was developed and patented by the State Intellectual Property Office (Patent No.: 201,830,392,211.3)

October 2018

VTC-R series circulating water tank cleaning system was rated as "Brand Product in Industrial Cleaning Industry" by China Industrial Cleaning Association (Certificate No.: ICAC-PINPAI-2018-001)