Longxing is largest FC-SC Fiber Jumper supplier in China, we offer the lowest prices in ... of 1980s, based in Ningbo, southeastern ChinaExpert in producing optical distribution frames, LAN cabling systems, outdoor equipment cabinet and ... produce 275,000 DDF, 250,000 ODF, 300,000 optical cable splice closures, 150 million loops of MDF, 150,000 ... 200,000 meters of pigtail trays FC-SC Fiber Jumper