Fonrich (Shanghai) New Energy Co., Ltd. was founded in 2011, with a technology-oriented focus on PV new energy field, our products cover PV Smart Module Level Safety Protection Systems, PV Module Smart Optimization Systems, DC Arc Fault Detector, PV Smart Combiner box Monitoring, dedicated to providing corresponding products and solutions for PV New Energy Revenue Optimization, PV Power Station Safety, Smart Operation &Maintenance Management. Fonrich has the entire processes team including R&D, supply chain, production, sales,engineering, quality inspection and after-sales service. Fonrich has more than 6 years of experience in DC Arc Fault Detectiontechnology and is the first company in the industry who get UL1699B certificate approval.