郑州长城科工贸Zhengzhou Greatwall Scientific Industrial & Trade 
郑州长城科工贸有限公司（原郑州长城仪器厂）是集研制、开发、生产、经营为一体，具有独立法人资格的综合性公司。占地面积11400平方米，建筑面积7400平方米。本公司技术力量雄厚，设备先进，产品质量上乘。公司自88年4月成立以来，研制开发生产了循环水式多用真空泵、低温冷却液循环泵、旋转蒸发仪、低温恒温搅拌反应浴、搅拌器、数显小型真空干燥箱、玻璃反应釜、电加热器等七大系列四十多个型号的教学仪器和设备。

　　公司吸收国内外先进技术，积极研制开发新产品，内部管理上档次上水平，在国内同行业中享有较高的声誉：同行业首家通过ISO9001国际质量体系认证；教育部世行贷款、师范教育发展项目等公开招标中连续中标，被省科技厅认定为河南省高新技术企业；连续十年郑州市重合同、守信用企业；河南省重合同、守信用企业；河南省优质产品商标企业；河南省技术监督局授"质量重点跟踪企业"；河南省产品质量监督检验所授予"产品质量信得过"单位，中国市场监测中心授予"中国讲诚信、守合同、重质量典范企业"、郑州市技术监督局授予"质量、计量信得过单位"。
　　本公司守信誉、重合同，以高质量、性能优的产品和完善的售后服务竭诚为医药、化工、食品等领域以及各大专院校实验室服务。

 

　Zhengzhou Greatwall Scientific Industrial & Trade Co.,Ltd. is a comprehensive company merging research, development, production and operation into a single whole. Since the establishment in April, 1988,the company has developed teaching instruments and equipment including water circulating type multipurpose vacuum pump, low temperature cooling liquid circulating pump, low temperature cycling pressure pump，low temperature（vacuum）pump，digital-control super low temperature constant temperature slot，chemical reaction experiment device，digital display direct-current stepless speed adjustment treater, glass container quick baker, digital display small vacuum dry box, freezing vacuum dry box and electric heater.
　　The company enjoys quite good credit among the same trade in China. It is the first company of passing ISO9001 international quality system authentication. Its projects of the loan from the World Bank and Normal Education Development of the Ministry of Education, Development All Over Country, Key Subjects Development, Higher Education Development All Over Country have won the biddings in the open tenders in succession. It has been designated as an enterprise paying attention to contract and adhering to credit of Zhengzhou City for 10 years in succession, an enterprise with fine-quality products' brands Of Henan Province, won the title of "Enterprise of Key Quality Following Up" From Technical Supervision Bureau of Henan Province, " Unit With Reliable Quality and Metering " from Technical Supervision Bureau of Zhengzhou City，"China model enterprise paying attention to Contract and Quality，Adhering to Credit" from China market monitoring center.