Hoʻopuni ʻia kahi pūʻolo micro- a i ʻole mini-tubes (ka nui o ka paia maʻamau) e ka puʻu HDPE lahilahi hoʻokahi. Hoʻolālā ka hoʻolālā i nā hui duct i kūpono no ka kanu pololei ʻana i waho a i ʻole nā ʻauwaʻa ʻē aʻe a i ʻole nā pā kaula. Hoʻolālā ʻia nā microducts no ka hana ʻoi aku ka maikaʻi o ka puhi ʻana.
Hoʻopuni ʻia kahi pūʻolo micro- a i ʻole mini-tubes (ka nui o ka paia maʻamau) e ka puʻu HDPE lahilahi hoʻokahi. Hoʻolālā ka hoʻolālā i nā hui duct i kūpono no ka kanu pololei ʻana i waho a i ʻole nā ʻauwaʻa ʻē aʻe a i ʻole nā pā kaula. Hoʻolālā ʻia nā microducts no ka hana ʻoi aku ka maikaʻi o ka puhi ʻana. Ka palena ʻenehana: 
I ka makahiki 2004, ua hoʻokumu ʻo GL FIBER i ka hale hana no ka hana ʻana i nā huahana cable optical, ka mea nui e hana ana i ke kaula hāʻule, waho optical cable, etc.
Loaʻa iā GL Fiber i kēia manawa he 18 mau ʻāpana kala, 10 mau ʻāpana o nā mea hoʻonaninani kiʻekiʻe kiʻekiʻe, 15 sets o SZ layer twisting equipments, 16 sets of sheathing equipments, 8 sets of FTTH drop cable production equipments, 20 sets of OPGW optical cable equipments, and 1 nā lako hana like a me nā mea hana kōkua ʻē aʻe he nui. I kēia manawa, hiki i ka 12 miliona core-km ka mana hana makahiki o nā kaula uila (ka awelika o kēlā me kēia lā o 45,000 core km a hiki i nā ʻano o nā kaula ke hiki i 1,500 km). Hiki i kā mākou mau hale hana ke hana i nā ʻano ʻano like ʻole o nā kelepona optical i loko a me waho (e like me ADSS, GYFTY, GYTS, GYTA, GYFTC8Y, micro-cable air-blown, etc.). hiki ke hiki i ka 1500KM / lā ka mana hana o kēlā me kēia lā o nā kaula maʻamau, hiki ke hiki i ka nui o ka hana i kēlā me kēia lā o ke kaula hāʻule. 1200km / lā, a hiki i ka hana hana o kēlā me kēia lā o OPGW hiki ke hiki i 200KM / lā.
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