PCM multiplexer,PDH multiplexer,telephone optical multiplexer,E1 failover switch,fiber optic equipment factory in the name of Guangzhou Yinxun Comm. Tech. Co. ,ltd abiding by ISO 9001-2000 guideline
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Tedder Zhan
2/F,Building C,Dadi Industrial Zone,Yongdong Road,Tanxia,Tianhe District,Guangzhou,China
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