Founded in 2009 by the jiangsuhuadong group, dong guang fu is a manufacturer and solution provider of solar energy products. The company currently has annual capacity of 5 gw and, by the end of 2021, the cumulative volume of east pvs had reached more than 14 gw, covering large ground power stations, pro-poor projects, business distribution and household distribution, with clients in germany, spain, italy, france, india, laos and japan. First, companies value credibility, with integrity as the core value of the enterprise. Firmly convinced that "religion first, good faith communication" is the long-term driving force behind enterprise development. Quality-based quality is fundamental to the survival of enterprises. In order to meet the quality requirements of standard products, companies fine-tune production to ensure that all stages of production operate in strict compliance with the established processes and that the quality of products is stable. From the initial acquisition of raw materials to the assembly of photovoltaic components, we have designed and implemented an effective quality control system based on iso 9001 at each production point. It is service-oriented, patiently listening to clients, fully understanding their ideas and accurately understanding their needs。