Xuzhou Sumthor Technology Co.,Ltd., a professional and vigorous young energy company focusing on PV inverters and PV systems, is a wholly owned subsidiary of Sumthor Group, with a total area of approximately 32000 square meters. By cooperating with international academic institutions, and keeping a keen eye on PV technology trends, Sumthor brings technology and engineering together to provide a more reliable, smarter, highly cost effective inverter with elegant design to customers. Certified by VDE, AS4777, G83/G59, CQC and approved by other international authorities, the featured Sumthor inverters covering the power range from 1.5kW to 500kW, with excellent maximum conversion efficiency up to 98.7%, have won great reputation among customers all around the world. Not only because of the extraordinary design and stable performance, but also the concepts Sumthor people are delivering “ We create green by heart, and help you get more energy out of every day”. Service is not only a slogan, which have already blended into the hearts of staff and company culture, you always have us near beside you.