Fuzhou Yu Dachang Trade Co., Ltd. is an integrated corporation with perfect manufacturing, marketing and follow-up services system. We are engaged in the technological development of new sources of energy, such as solar water heaters, solar energy collecting projects, and solar PV (photovoltaic) products. We have developed into a famous guiding corporation with big production scale and leading industry technology. Based on brand popularity, resources and fund, we develop environmental friendly and economical products, including solar water heaters and applied techniques of large scale solar heat collecting projects.