【大一互是哪个国家的品牌？】

大连第一互感器有限责任公司是由原大连第一互感器厂改制后组建的公司，始建于1972年，有30多年历史的专业互感器制造商,现已成为中国互感器行业主导企业之一。

企业员工1200多名,其中技术人员160余名。企业占地面积15万平方米,建筑面积6万平方米。

总部设在大连，总公司下属7个分公司,其中本部设有高压分公司、中压分公司、开关分公司及模具分公司等。外设2个子公司，上海大一互电力电器有限公司，厦门大一互电器有限公司。

公司在大连设有技术中心，负责公司中、长期的新产品研制、新技术开发，并承担公司总部及各子公司或分公司的批量生产技术支持。技术中心具有承担大连市科技创新和国家级科技攻关项目的能力。

公司拥有先进的环氧树脂绝缘中压互感器生产线、油浸绝缘及SF6气体绝缘高压互感器生产线，环氧树脂浸渍纸固体绝缘绝缘母线，硅橡胶复合材料干式穿墙套管生产线。

公司还建立了中、高压（互感器、绝缘母线）绝缘试验室，环氧树脂材料及成型件理化试验室和油、气绝缘试验室，配置国内外先进的试验、检测装置和仪器、仪表。高压试验室有1100kV工频试验变压器和3000kV冲击电压发生器，可进行500kV及以下互感器的除动热稳定外的所有型式试验。理化试验室和油浸绝缘实验室可进行相关产品的材料、工艺研究试验。

公司主导产品为0.5-500kV电流电压互感器。6-35kV真空断路器，35kV及以下电站用绝缘母线，110kV及以下干式穿墙套管及其它电力器材。6-35kV级环氧浇注电流、电压互感器年生产能力达20余万台，市场占有率20-25%，是重点工程及国内大型开关企业的首选产品。35-500kV油浸及SF6气体绝缘互感器是公司进入21世纪来开发并投入市场的产品，以其结构新颖、设备先进、技术力量雄厚，而具有较强的国内、国际市场竞争力，年生产能力为5000台以上。35kV及以下绝缘母线和110kV及以下干式穿墙套管是引进国外技术的新型产品，其技术水平先进，结构独特，具有广阔市场前景。多年来在产品开发、生产制造、产品销售全过程中建立完整的质量保证体系，通过了ISO9001：2000标准的质量体系认证，同时通过了ISO14001：1996标准的环境管理体系认证。

坚持诚信立业，追求质量卓越，以客户为本，是大连第一互感器有限责任公司最高宗旨和对广大用户的承诺。

英文翻译：Dalian No.1 Transformer Co., Ltd. is a professional transformer manufacturer with a history of more than 30 years. It was founded in 1972 and has become one of the leading enterprises in the transformer industry in China. More than 1200 employees, including more than 160 technicians. The enterprise covers an area of 150000 square meters and a building area of 60000 square meters. Headquartered in Dalian, the headquarter has 7 branches, including high voltage branch, medium voltage branch, switch branch and mould branch. There are 2 subsidiaries, Shanghai Dayi Electric Co., Ltd. and Xiamen Dayi Electric Co., Ltd. The company has a technical center in Dalian, which is responsible for the medium and long-term development of new products and new technologies, and undertakes the technical support for mass production of the company's headquarters and subsidiaries or branches. The technology center has the ability to undertake Dalian Science and technology innovation and national science and technology research projects. The company has advanced production lines of epoxy resin insulated medium voltage transformer, oil immersed insulation and SF6 gas insulated high voltage transformer, epoxy resin impregnated paper solid insulation bus, and silicone rubber composite dry wall bushing. The company has also established insulation test rooms for medium and high voltage (transformer, insulated bus), physical and chemical test rooms for epoxy resin materials and molded parts, and oil and gas insulation test rooms, equipped with advanced test and detection devices, instruments and meters at home and abroad. There are 1100kV power frequency test transformer and 3000KV impulse voltage generator in the high-voltage test room, which can carry out all type tests of 500kV and below transformers except dynamic and thermal stability. Physical and chemical laboratory and oil immersed insulation laboratory can carry out material and process research tests of related products. The company's leading product is 0.5-500kv current and voltage transformer. 6-35kV vacuum circuit breaker, 35kV and below power station insulation bus, 110kV and below dry wall bushing and other power equipment. The annual production capacity of 6-35kV epoxy cast current and voltage transformers is more than 200000 sets, with a market share of 20-25%. It is the preferred product for key projects and large domestic switch enterprises. 35-500kV oil immersed and SF6 gas insulated transformer is a product developed and put into the market in the 21st century. With its novel structure, advanced equipment and strong technical force, it has strong domestic and international market competitiveness, with an annual production capacity of more than 5000 sets. 35kV and below insulated bus bars and 110kV and below dry wall bushing are new products with imported foreign technology. They have advanced technology level, unique structure and broad market prospect. Over the years, we have established a complete quality assurance system in the whole process of product development, manufacturing and sales, passed ISO9001:2000 quality system certification, and passed iso14001:1996 environmental management system certification. It is the highest purpose and commitment of Dalian first transformer Co., Ltd. to adhere to the principle of integrity, quality excellence and customer-oriented.

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