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日本住友电气工业株式会社(SumitomoElectricIndustries)创立于1897年，是世界上最著名的通信厂商之一。其光纤光缆产销量多年来一直名列世界前列，年产值约30亿美元。住友电工在世界各国设有200多家子公司，在中国设有近10家分支机构。

住友政友(1572-1636)和苏我里右卫门(1572-1636)於日本古都-京都创业住友事业，迄今已有400多年历史。住友电工拥有住友家族近300年悠久历史的独特炼铜生产经验和技术，融合及积累尖锐技术，住友电工开拓多元化多样产品於附高潜质市场。不断突破技术界限。尤以光电子，新原材，电子系统及能源等领域。住友电工投资遍及世界各地，亚太区於1949年投资生产，出口设施开始尤其活跃。

发展历程

1897开设“住友伸铜厂”（创立），作为住友本部的一项业务，收购了“日本制铜株式会社”

1897年4月1日开设了“住友伸铜厂”，并开始制造铜板、铜棒以及铜线（裸线）。

1900开始制造日本递信省投递用的硅铜线

1908开始制造电力电缆

1909开始试制通讯电缆，在制造被覆线的同时也开始试制通讯线。

1911“住友电线制造所”成立。随着因水力发电而引发的输电线的高压化以及电话网的改良和扩大，为了进一步拓展业务范围，住友伸铜厂的电线制造业被剥离出来，并成立了“住友电线制作所”。国内首次交付使用高压地下输电线电缆（11,000V）

1916开设新工厂（大阪制作所）。为了应对逐年增长的电线需求，工厂被迁移到现在的大阪制作所，规模得到扩大。开始制造漆包线

1920株式会社住友电线制造所成立（公司的成立）。为了引进世界最高的技术水平，我们与美国的电线制造商WesternElectric公司开展技术合作，得到他们的投资，并改制为株式会社。

1931开始制造超硬合金工具（“IGETALLOY”）。最初开发的是电线电缆的拉线机部件（模具）的切削工具。此后被广泛用于电线以外的各种用途。

1932开始制造特殊金属线。采用电线电缆的拉线加工技术开始制造在当时依赖进口的航空发动机阀簧用钢琴丝等特殊金属线。

1939公司改名为“住友电气工业株式会社”（现公司名）。为了将业务范围扩大到电线以外的产品，公司被改为现名“住友电气工业株式会社”。

2004EudynaDevices（半导体设备事业）开始营业；BroadWireless株式会社（天线相关事业）开始营业；签订全球首份高温超导电缆的商业合；本公司获得韩国电力公社电力研究院（KEPRI）的高温超导电缆系统的订单。作为电力输送用高温超导电缆，是全球首份商业合同。此外，在2006年7月美国纽约州的奥尔巴尼市的超导电缆实际验证试验中，开始使用本公司生产的超导电缆进行输电，这是世界上首次使用超导电缆用于实际地下输送电路。

2006开发面向日本国内的200Mbps家庭网络用PLC调制解调器。由于不需要新的布线工程，PLC（高速电力线通信）可构筑简单、低成本且稳定的家庭网络。本公司开发了用于面向日本国内家庭用户网络的小型、超高速(200Mbps)PLC调制解调器。

英文翻译：Sumitomo Electric industries, founded in 1897, is one of the most famous communication manufacturers in the world. Its production and sales of optical fiber and optical cable have been in the forefront of the world for many years, with an annual output value of about 3 billion US dollars. Sumitomo Electric has more than 200 subsidiaries all over the world and nearly 10 branches in China. Sumitomo Zhengyou (1572-1636) and yuweimen (1572-1636) started Sumitomo business in Kyoto, the ancient capital of Japan, with a history of more than 400 years. Sumitomo Electric has the unique copper smelting production experience and technology of Sumitomo family with a long history of nearly 300 years. Sumitomo Electric integrates and accumulates sharp technologies. Sumitomo Electric develops diversified products with high potential market. Constantly break through the technical boundary. Especially in optoelectronics, new raw materials, electronic systems and energy fields. Sumitomo Electric has invested all over the world. Asia Pacific region invested in production in 1949, and its export facilities began to be particularly active. As a business of Sumitomo headquarters, Sumitomo copper plant was established in 1897. As a business of Sumitomo headquarters, Sumitomo copper plant was established on April 1, 1897, and began to manufacture copper plate, copper rod and copper wire (bare wire). In 1900, we began to manufacture the silicon copper wire 1908 for delivery in Japan's postal Province, started to manufacture the power cable 1909, and began to trial produce the communication cable as well as the covered wire. In 1911, "Sumitomo Electric Wire Manufacturing Institute" was established. With the high-voltage transmission line caused by hydropower generation and the improvement and expansion of the telephone network, in order to further expand the business scope, Sumitomo copper extension plant's wire manufacturing industry has been separated and "Sumitomo wire production Institute" has been established. For the first time in China, the high-voltage underground transmission line and cable (11000v) 1916 was delivered to open a new factory (Osaka production Institute). In response to the growing demand for power lines year by year, the factory has been moved to the current Osaka production Institute, and the scale has been expanded. Started to manufacture enameled wire 1920 Co., Ltd. Sumitomo wire manufacturing Co., Ltd. was founded (the establishment of the company). In order to introduce the highest level of technology in the world, we have carried out technical cooperation with the wire manufacturer Western Electric Company in the United States, obtained their investment and restructured it into a company limited. In 1931, superhard alloy tools ("igetaloy") were manufactured. The original development is the wire and cable drawing machine parts (mold) cutting tools. Since then, it has been widely used for various purposes other than wire. In 1932, the manufacture of special wire began. At that time, we began to manufacture the piano wire and other special metal wires for Aeroengine valve spring which depended on import. 1939 company changed its name to Sumitomo Electric Industry Co., Ltd. (current company name). In order to expand its business scope to products other than wires, the company was changed to the current name "Sumitomo Electric Industry Co., Ltd.". In 2004, Eudyna devices (semiconductor equipment business) began to operate; broadwireless Co., Ltd. (antenna related business) began to operate; signed the world's first commercial contract for HTS cable; the company obtained the order for HTS cable system from kepri. As a high temperature superconducting cable for power transmission, it is the first commercial contract in the world. In addition, in July 2006, in the actual verification test of superconducting cable in Albany, New York, the United States, the company began to use the superconducting cable for power transmission, which is the first time in the world to use the superconducting cable for the actual underground transmission circuit. In 2006, we developed a 200 Mbps home network PLC modem for Japan. Because no new wiring engineering is needed, PLC (high-speed power line communication) can build a simple, low-cost and stable home network. The company has developed a small, ultra-high speed (200Mbps) PLC modem for home user network in Japan.

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