Dalian first mutual inductor Co., Ltd

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Dalian first mutual inductor Co., Ltd. is a professional mutual inductor manufacturer with a history of more than 30 years, which was founded in 1972. More than 1200 employees, including more than 160 technical personnel. The enterprise covers an area of 150000 square meters and a construction area of 60000 square meters. Headquartered in Dalian, the company has 7 branches, including high voltage branch, medium voltage branch, switch branch and mould branch. There are two subsidiary companies, Shanghai dayihu Electric Appliance Co., Ltd. and Xiamen dayihu Electric Appliance Co., Ltd.

The company has a technology center in Dalian, responsible for the company's medium and long-term new product development and new technology development, and undertakes the mass production technical support of the company's headquarters and its subsidiaries or branches. The technology center has the ability to undertake scientific and technological innovation in Dalian and national key scientific and technological projects. The company has advanced epoxy resin insulated medium voltage transformer production line, oil immersed insulation and SF6 gas insulated high voltage transformer production line, epoxy resin impregnated paper solid insulation bus, silicone rubber composite dry wall bushing production line.

The company has also established medium and high voltage (transformer, insulated bus) insulation laboratory, epoxy resin material and molding parts physical and chemical laboratory and oil and gas insulation laboratory, equipped with advanced test and detection devices and instruments at home and abroad. The high voltage laboratory has 1100kV power frequency test transformer and 3000KV impulse voltage generator, which can carry out all type tests except dynamic and thermal stability of 500kV and below transformers. Physical and chemical laboratory and oil immersed insulation laboratory can carry out material and process research and test of related products.

The company's leading products are 0.5-500kv current and voltage transformers. 6-35kV vacuum circuit breaker, 35kV and below power station insulated bus, 110kV and below dry wall bushing and other power equipment. The annual production capacity of 6-35kV epoxy casting current and voltage transformers is more than 200000, with a market share of 20-25%. 35-500kV oil immersed and SF6 gas insulated transformers are products developed and put into the market by the company 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 and 110kV and below dry wall bushing are new products with 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. We have passed ISO9001:2000 quality system certification and iso14001:1996 environmental management system certification.

The tenet and commitment of Dalian first mutual inductor Co., Ltd. is to adhere to the principle of integrity, pursue excellent quality and customer-oriented.