... @25°CSINOV-PD-23754-12V12VDC/2A 21W@25°CShenzhen Yuanchang Communication Technology Co., Ltd (mainland company),SinoVoip Co.Limited (HK ... company )was founded in 2004, is located in Nanshan District, Shenzhen, Guangdong, China. Since its inception, following the world's ... F,Zonghe building,industrical district ,chuangye Road,nanshan district,shenzhen,china Number of Production Lines:Above 10 Number of R ...