Shenzhen tech chain technology Co., Ltd. was founded in 2011,one subcompany of blong electronic co., Ltd.We are a high-tech enterprise specializing in developing, manufacturing, and selling of customized cell phone ,some acessories for mobile phone , tablet pc and satellite tv receiver. Our products are distributed to more than 60 countries and regions. With the researching and developing of high quality products, we can keep long term business relationships with customers from the USA, ...