●Sunray is the council member of China Internal Combustion Engine Industry and Small Gasoline Engine Association. And it is also the member of Chinese General Utility gasoline engine Standardization Tech. Committee.

●Sunray is a High-Tech Enterprise certificated by Jiangsu govt.  And  Technical Center of Research certificated by Suzhou govt.

●Sunray owns ISO9001 Quality Management System Certificate from 2008.