Researching, developing, manufacturing and marketing of power inverters which including grid tied inverter,pure sine wave inverter,modified sine wave inverter,car inverter,solar charge controller,ups power supply other solar &wind related products. with advantages equipment, efficient management, strict qc we are in the position to supply you excellent products and ensure you on-time delivery with perfect service. we are looking forward to establishing long terms business relation with you! we accept oem and small trial orders, contacting with us now for more information. all inquiries will be replied with in 24 hours. we also cordially welcome all clients to visit us and discuss business and place orders with us by any means of communication.we believe that with our best quality products and your marketing channel, we are certain to establish a lasting mutual beneficial cooperation relationship with you. good quality,best price and better technical support and service,make yitai electronics co.,ltd as your most valuable cooperator in china. customer services and warranty one years warranty,at the same time,yitai also provided lifelong the cost service for the user (only to collect cost price, no service fee) yitai welcomes you for oem/odm services! oem/odm service includes product with customers' own logo, color box design, user manual , item numbers and other requirement. solar power system design our team professional solar energy designers & engineers work directly with you to ensure you get the solar energy system that meets both your financial and aesthetic needs.