Xuzhou Sumthor Technology Co., Ltd., a professional and vigorous new energy company focusing on PV inverters and PV systems, is a wholly owned subsidiary of Sumthor Group. Its headquarter is located in Pizhou, Jiangsu Province, with a total area of approximately 32000 square meters, and the marketing and sales center is in Kunshan near Shanghai. Sumthor has a leading-edge PV inverter technology, and is engaged in PV products' R&D, production, especially focus on sales and after-sales service. Moreover, Sumthor has a qualification of PV project design and construction.

To date Sumthor has developed single phase grid-tied PV inverters Mio-I series and three Phase Grid-tied PV inverters Mio-III series, covering the power range from 1.5kw to 500kw. With the industry-leading level technology, Sumthor inverters have excellent maximum conversion efficiency up to 98.7% and MPPT efficiency up to 99.5%. Sumthor also offers off grid solar charge controller Nio-CC series, AC/DC power distributor box together with our smart monitoring systems, which have reliable performance and attractive design. Meanwhile, Sumthor technical team can provide customers with one-stop service to help them maximize the yield and reduce the investment payback period of their PV plants from residential rooftop to large utility scale PV plants.

Quality is fundamental, full range of products in Sumthor have passed the CQC, VDE - N4105, TUV, CE, G83, SAA grid certification standards. Apart from the reliable quality, customer experience and satisfaction are what Sumthor focus on. In Sumthor, service is not only the basic principle, but also blends into the hearts of staff and company culture. Creating green by heart, serving customers by heart is the motto kept in everyone's mind.