SingWai technology Co.,Ltd is one of the largest specialized companines prodcing dc power supply in China. As a professional manufacture and exporter on dc power supply, meanwhile. on basic of " best price ,best services" .we export our products to all over the word. plase refer to our products as following: 1. DC power supply2. high-power switching dc power supply3. programmable switch dc power supply4. mobile phone repair instrument5. soldering station6. hot air rework station infrared rework station7. comprehensive test instrument8. frequency counter ect We are happy to do business with any honest business friends from all over the world. Contact us now to find out what our experience can do for you.