Changzhou Shangyou Lianyi Electronic Co., Ltd. (Brand: SUNYOOO Solar) is a professional photovoltaic product manufacturer in China. Our company was invested in by powerful group in 2003. SUNYOOO has been engaged in the development and manufacture of solar products. After 5 years of fast development, SUNYOOO Solar has become the leading solar manufacturer in China. Our company is directed by Dr. Gu who is expert at PV project area and good at system design, optimization and problem solutions. What we focused on before 2006 was Chinese market. Now, we also expand our foreign market. We have got good development. We manufacture high efficiency and quality photovoltaic solar panels and quality practical solar systems. Our endeavor to serve customers enables us to establish long-term partnerships with worldwide customers. Our mission and philosophy Philosophy For products, our philosophy is