是一家专业从事一卡系统开发、生产、销售和服务的专业公司。
Is a professional engaged in one card system development, production, sales and service of professional firms.
专业从事以电力系统自动化为核心的软件、硬件产品的研发、生产、销售和服务。
Professional engaged in power system automation at the core of the software and hardware product development, production, sales and services.
东安电子服务公司是一家专业从事楼宇对讲系统及其同类产品的开发、生产和销售的公司。
Dongan electronic services is a professional engaged in the intercom system and its similar products in development, production and sales company.
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