Product Family ALL ALL Sensors VLUV-201-PM Immersion UV Multispectral COD Online Monitor VL-WT-201 Water Transparency Online Monitor VLUV-201-PF Immersion UV-Visible Spectrum COD Online Monitor Measurement Instruments VLUV-201-N UV-Visible Spectrum COD Online Monitor VL-COD-1007 Chemical Oxygen Demand (CODCr) Online Monitor VL-CODMn-101 Permanganate Index COD Online Monitor Water Stations VLWS-505 Automatic Black and Odor Water Quality Monitoring Station VLWS-509 Mini-type Surface Water Environmental Quality Monitoring Station VLWS-508 Mini-Type Automatic Multi-Parameter Water Quality Monitoring Station Water Monitoring Solutions Rain drain monitoring solution Black and smelly water monitoring solution Grid monitoring solution for surface water VLUV-201-PM Immersion UV Multispectral COD Online Monitor VL-WT-201 Water Transparency Online Monitor VLUV-201-PF Immersion UV-Visible Spectrum COD Online Monitor VLUV-201-N UV-Visible Spectrum COD Online Monitor VL-COD-1007 Chemical Oxygen Demand (CODCr) Online Monitor VL-CODMn-101 Permanganate Index COD Online Monitor VLWS-505 Automatic Black and Odor Water Quality Monitoring Station VLWS-509 Mini-type Surface Water Environmental Quality Monitoring Station VLWS-508 Mini-Type Automatic Multi-Parameter Water Quality Monitoring Station Rain drain monitoring solution Black and smelly water monitoring solution Grid monitoring solution for surface water Technology & Services Service Support Our Services Technical Service Management Standardized & Professional Technical Services Training Service Technical Support Core Technology R&D Team Technical Service Management Standardized & Professional Technical Services Company Profile Company Profile Veelang is a high-tech enterprise specializing in the R&D, manufacturing and service of online water testing and analysis instruments. Always be a Responsible Company Develop with high-quality service, sustain via creating customer value, be a technological leader in the industry, keep bettering ourselves and satisfying customer needs with lowering cost. Sincere, Earnest, Curious, Innovative registered capital increased to 50 million RMB The organizational structure was improved, establishing Quality Control Department and After-sales Service Department. Our products expanded to a wide range of multi-parameter spectral, heavy metal and rich salt measurement equipment applied in pollution source, water environment an water industrie. The initial organization structure with the Administration Department, R&D Department, Technical Department, Purchase Department, Sales Department and Production was formed. T The main products are spectral measurement equipment used for water pollution source analysis. ISO14001: 2015 Certificate ISO9001:2015 Certificate (English) OHSAS18001:2007 Certificate OHSAS18001: 2007 Certificate (English) Veelang Trademark Registration Certificate Permanganate Index (Codmn) Online Water Monitor - Environmental Certification Chemical Oxygen Demand (Codcr) Online Water Monitor - Environmental Certification Chemical Oxygen Demand (Codcr) Online Water Monitor - Measurement Instrument Type Approval Certificate Chemical Oxygen Demand (Codcr) Online Water Monitor - Measurement Instrument Production License UVCOD Series Products - Environmental Product Certification UVCOD Series - Measuring Instrument Production License UVCOD Series - Type Approval Certificate For Measuring Instruments COD Online Water Monitor - Utility Model Patent Certificate-Utility Model Patent Certificate Portable Cod Monitoring Probe - Invention Patent Certificate Portable Cod Monitor Probe - Utility Model Patent Certificate Probe-Type Water Quality Multi-Parameter Online Water Monitor and Monitoring Method Thereof - Invention Patent Certificate Capacitive Type Micro Liquid Level Detector - Utility Model Patent Certificate Water Quality Probe Monitor-Utility Model Patent Certificate Total nitrogen Online Water Monitor - environmental product certification Total Phosphorus Online Water Monitor - Environmental Product Certification Total Lead Online Analyzer - Environmental Product Certification Ammonia Nitrogen Online Water Monitor - Environmental Product Certification Ammonia Nitrogen Online Water Monitor - Type Approval Certificate Ammonia Nitrogen Online Water Monitor - Measuring Instrument Production License As a member of the environmental protection industry, Veelang will employ its innovative technological thoughts and superior R&D ability to make its own contribution to environment protection and the online environment monitoring industry. It will keep developing through continuous innovation and enhancing its market adaptability through the R&D of new products and new technology. Meanwhile, it will strengthen the cooperation with high education institutions to accelerate the transformation of scientific research results, and improve its independent innovation capability by intaking and digesting the high and new technology. Guiding Principle for Quality Management Our motto: blue sky and clear water, innovation-oriented, continuous improvement and a green future. Our goal: over 98% product passing rate and over 99% customer satisfaction rate We refuse: accepting under-quality products, producing under-quality products, and passing under-quality products We are determined to：be unwavering，train and educate fully，implement rules strictly Company positioning we uphold the green water monitoring methods and try to minimize the secondary pollution by replacing the traditional chemical measuring methods with optical and micro flow path technology. we uphold the green water monitoring methods and try to minimize the secondary pollution by replacing the traditional chemical measuring methods with optical and micro flow path technology. R&D Route We have established a three-layer R&D route consisting of frontier researching in universities, application researching by industry experts and productization researching by the company’