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Henan Kefeng New Material Co., Ltd. is a professional manufacturer of contacts and conductive parts for medium voltage, high voltage, ultra-high voltage and ultra-high voltage switches. It was founded in 1993. After nearly 20 years of development, it has become a medium-sized private enterprise with total assets of more than 40 million yuan, annual production of various contacts and conductive parts of more than 300000 pieces and annual sales of nearly 50 million yuan. The company covers an area of 11000 square meters, with a building area of 7800 square meters. There are 110 employees, including 28 engineering and technical personnel. It is a scientific and technological enterprise integrating R & D, technological transformation and production, and also a domestic electric contact manufacturer. Henan Kefeng New Material Co., Ltd. has more than 110 sets of general and special equipment, including 20 sets of vacuum melting equipment, 6 sets of forging equipment, 17 sets of CNC machine tools, 22 sets of general machine tools and 5 sets of heat treatment equipment. By means of vacuum sintering, vacuum casting, precision forging, machining, heat treatment and other processing methods, through unique process means and perfect quality control, we provide customers with various products with stable performance, such as copper tungsten integral arc contact, copper chromium self force contact, copper and copper alloy contact finger, contact seat, special-shaped casting and aluminum alloy conductive parts. The company's products have a bright future and are sold all over the country. Copper tungsten integral arc contact products are the leading products of the company. Compared with the traditional process (sintering in protective atmosphere), the product performance tensile strength, bending strength and ablation resistance have been greatly improved. Copper tungsten integral arc contact products have successively passed t100s test in zfw25-126 (L) / t2000-40, ZF □ - 252 (L) / y4000-50 gas insulated metal enclosed switchgear and lw55b-550 / y5000-63 single break tank type SF6 circuit breaker in Xi'an high voltage electrical equipment inspection and detection center. During the test, the contact breaking performance is good, and the dynamic and static arc contacts are slightly and evenly ablated. Therefore, the performance of the company's copper tungsten integral arc contact product is further verified. Copper chromium alloy self-propelled contact and copper chromium alloy special-shaped conductive parts are the company's special products. This kind of product is processed by vacuum precision casting and precision forging process. Its material is prepared by the company and melted by itself. The material is uniform, high density and easy to control the chromium content. Compared with the traditional chrome bronze profiles, it has the characteristics of high hardness and good elasticity after heat treatment. In 2003, the copper chromium alloy self-supporting contact finger for lw10b-550 / yt450 type circuit breaker of Pinggao was sent to Kema test station in Holland with the main engine for type test according to IEC standard, and all the tests passed. Copper contact finger, contact base and aluminum alloy conductive parts are common products of the company. This kind of products are processed by precision die forging and numerical control machine tool, with the characteristics of high material strength and high dimensional accuracy. Henan Kefeng New Material Co., Ltd. has established strategic partnership with more than 20 domestic high-voltage switch manufacturers. In particular, Henan Pinggao has provided nearly one million contact parts since 2000, with stable product quality and excellent service performance. It has never had any quality problems, and has won the trust and praise of the company.

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