泰州市正大科教仪器设备厂(正大仪器-ZD Instrument Ltd)是目前中国 专业生产电化学和土壤测试仪器的厂家。我们的主要产品有：酸碱度计、土壤酸碱度和湿度检测仪、土壤EC检测仪、土壤速效N-P-K检测仪、电导率仪、“Nutra Wand®”水栽培营养测试仪、TDS、PPM、PPT、mS/cm、uS/cm、EC、CF检测仪、家用及海水盐度检测仪；挂壁式pH&TDS/EC/mV/Temp组合监视器和pH组合电极；水簇馆专用PH复合电极；溶解氧（DO）电极；导电性和ORP电极等。我们牢记客户需要最可靠的仪器，多年来我们一直在尽 努力提供优质的产品，在研发团队的努力下，新产品不断涌现。
近年来通过了ISO9001质量管理体系认证，ISO14001环境管理体系认证，获得了民营科技企业、高新技术企业、国家质量检验标准合格产品、中国 产品、国家科技创新企业、中国分析仪器行业 企业、中国分析仪器行业投资价值企业、中国分析仪器行业影响力企业、中国优质服务诚信AAA级企业、重合同守信用企业，产品大多通过CE认证，并销往世界各大洲。我们竭诚欢迎国内外各界朋友前来合作或其他形式的贸易合作.
ZD Instrument Ltd.(Taizhou Zhengda Scientific Education Instrument&Equipment Factory) is a specialized manufacturer of electro-chemistry and soil testing instruments. Our main products are pH Meters, Soil pH & Moisture Tester, Soil EC Tester, Soil Available N-P-K Tester, Conductivity Meters, "Nutra Wand®" Hydroponics Nutrient Tester, TDS, PPM, PPt, mS/cm, uS/cm Meters, EC, CF Check, Household and Seawater Salinity Tester, Continuous Reading pH/Conductivity/ mV/Temperature Monitors and pH Combined Electrodes, Water Cluster pH Composite Electrode, Dissolved Oxygen (DO) Electrodes, Conductivity and ORP Electrodes, etc. Bearing in our mind that our customers need most reliable instruments, we have always been doing our utmost to supply quality products in our years of history.With the efficient efforts of our R&D team, new products are coming out all the time.
We have passed the ISO9001 Quality and ISO14001 Environmental Management System Certification in recent years and Obtained Private Technology Enterprises, High-tech Enterprises, National Quality Inspection and Standard Qualified Products, Famous Brands in China, National Science and Technology Innovation Enterprise, Analytical Instrument Industry Famous Enterprise in China,Analytical Instrument Industry Investment Value Enterprise in China,Influential Enterprises in the Analytical Instrument Industry in China, High-quality Service Integrity AAA-level Enterprise in China, Contract-honoring and Trustworthy Enterprise. Most of our products have also passed CE certification and are sold to all the continents in the world. We wholeheartedly welcome friends from all walks of life at home and abroad to come to cooperate or other forms of trade cooperation.www.zdinstrument.com www.zdinstrument.com
