In 1998, Greentec took the design project of noise and exhausts control for Beijing Yansan refinery and achieved honor by the successful of the project. AT 2003, Greentec completed the noise control project for Dalian refinery, which is the biggest refinery in China. 2006, Greentec completed the noise project for ” West-East natural gas transmission project” accompanied with relevant units and achieved a great reputation in the industry.

The picture shows the CNPC Dalian refinery. Greentec has already completed several noise control project for Dalian refinery. Greentec sustaining improving its service quality by summarizes each completed project, and earned the trust from CNPC.