Beijing Ruikai Electronic Co., Ltd. is a leading Insulated Metal Substrate and MCPCB supplier (Aluminum based PCB, Copper based PCB, etc) in China. All Ruikai products manufactured under ISO 9001 and ISO 14001 standards. Also, our products are UL approved and RoHS compliant. We are acknowledged as a respected and reliable partner for customers in the following industries: 1. LED lighting2. LED TV 3. Automotive Electronics4. Electric Vehicle5. Power Conversion6. Motor Drivers7. Concentrator Photovoltaic 8. Audio9. Aviation and Military Industry Why US? 1. High Quality Products: Rich research, development and production experience, advanced facilities, strict quality control during the whole process of production. 2. Excellent Service: Fleet response, professional technical support, one-stop source from raw materials to finished circuit, perfect after-sales service; 3. Competitive Price