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郑州欧丽信大电子信息股份有限公司于2002年注册成立,位于郑州市高新技术产业开发区。公司是河南省高新技术企业、河南省创新型企业、河南省信用建设示范单位、河南省电子信息行业诚信体系建设示范单位、郑州市无线通信工程技术研究中心。公司于2005年通过了ISO9001:2008质量体系认证,2006年取得了《AAA信用企业》等资格证书。欧丽信大主营业务是研发、生产和销售人防警报系统、多媒体警报系统、集成应急通信系统、
Zhengzhou Ouli letter Electronics Information Co., Ltd. incorporated in 2002, located in Zhengzhou High-tech Industrial Development Zone. The company is a high-tech enterprise in Henan Province, Henan Province, innovative enterprises, credit demonstration units in Henan Province, Henan Province, electronic information industry credit system construction demonstration unit, Zhengzhou City, wireless communications engineering and technology research center. The company passed the ISO9001: 2008 quality system certification in 2005 and the “AAA credit enterprise” in 2006. Ollie letter of the main business is the development, production and marketing of anti-personnel alarm system, multimedia alarm system, integrated emergency communications systems,