Established in 2007, Leiyang Hongcheng Electronic Co., Ltd. is a manufacturer specialized in the research, development and production of DVDRW, Blu-ray drives, and Computer ... We are a company which collect of factory production and trade,as we at the plant upstream, we and other manufacturing plants have friendly cooperation with each other,so we can provide one-stop sourcing for every customer.moreover,we have good price and good quality products. To cooperate with us ,you can purchase the satisfied products.