1..Established in 2007,Hangzhou Jianfa machinery Co., LTD has grown to be a professional heatsinks manufacturer. Our company is located in Hangzhou, a city near by Ningbo/Shanghai port. 2..Our company is specialized in the development and production of Aluminum LED Heatsinks in China, such as aluminum pin fin heatsinks, aluminium extruded profile, aluminum light lamps, aluminum forging parts. 3..Typical Applications of Our Products : 1.LED cooling System 2.PGA heat ...