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由巨龙公司研制开发生产的HJD04D型数字程控交换机已于1996年12月19日正式获得俄罗斯通信部颁发的俄电信网入网许可证,这是迄今中国唯一获得国外入网许可的国产交换机型。 1995年3月成立的巨龙公司是国有大型通信产业集团,以生产、销售通信系统装备和承接通信系统工程为主要业务范围。目前该公司产品已占同内市场总份额的10％,网上运行总量突破800万
Developed by the dragon company HJD04D digital program-controlled switches was December 19, 1996 was officially approved by the Russian Ministry of Communications issued the Russian telecommunications network network license, which is so far the only access to foreign network permits China’s domestic exchange model. Dragon Company, established in March 1995, is a state-owned large-scale communications industry group that mainly produces and sells communication system equipment and undertakes communication system engineering. At present, the company’s products have accounted for 10% of the total market share, the total online operation exceeded 8 million