With the rapid development of electronic industry, Yantai poly-lin Trade Co., Ltdshould the world is born, was founded in 2009 in Muping District of Yantai city! Our company always adhere to technical innovation, cost innovation concept! Beginapplication and extension and South Korea's Samsung Motors, DongguanSamsung Electric Cooperative Research and development of copper clad aluminum in 2012 July! And copper clad aluminum this product successfully used in Samsung TV transformer to achieve cost savings in 2012 December, 50% of the effect!