86-025-84701010
Rm. 301, Bldg. 8, No. 699-8, Xuanwu Road, Xuanwu Dist., Nanjing, Jiangsu, China (Mainland)
240/256 lines pcm multiplexer telephone fiber optic converter MUX, US $ 500 - 1000 / Piece, China, photel, PT-50T 3519.Source from Nanjing Photel Communication Technology Co., Ltd. on Waimaotong.com.