瑞丰开关电子于1991年，迄今为止已有几十年的历史。
Ruifeng electronic switch in 1991, so far has been for decades.
瑞丰五金开关制品厂创办于1987年。
Ruifeng hardware switch products factory was founded in 1987.
瑞丰电子开关制品厂专业致力于开关、插座、连接器的研发、生产和销售。
Ruifeng electronic switch products factory specialized in switch, socket, connector development, production and sales.
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