Sunpower Group started in April 1997, listed on SGXSESDAQ in March 2005 and was subsequently upgraded to the Mainboard in August 2007. The Group specialises in the design, R&D and manufacture of customised energy-saving, energy-efficiency and environmental protection products and solutions, using proprietary heat-transfer technologies tailored for the petrochemical, chemical, polysilicon, coal chemical, pharmaceutical, tobacco, metallurgical, and transportation industries.