Shenzhen YuWeixing Electronics Co., Ltd Tel: 0755-29916829、29916830 Fax: 0755-29916835 Email:admin@ywx-circuits.com, ywxpcb@vip.163.com Add:Building 8, Gangtou Industrial Park, Shajing, Bao'an Dist, Shenzhen, China Postcode:518104 Q Q: 2330773250