SINGI is a Chinese enterprise founded in 2000, located in "Liushi", the electrical capital of China. We are a long-established industrial and trading company, with main business covering products such as MCB, RCBO, MCCB, photovoltaic combiner boxes, photovoltaic grid connection cabinets, AFDD, RSD, etc. Our DC MCB include 1P DC500V and 3P DC1500V, meeting the trend of increasing voltage in the photovoltaic industry. The company has passed the ISO9001, ISO14001, and ISO45001 international standard three-system certifications, as well as international product certifications such as UL, CE, CB, TUV, and ETL. We hold over 50 patents and more than 60 CCC compulsory certifications, and have received over 70 honors including.