Who we are?

Unichem Water Engineering & Co. (UWECO) is providing solution to any water & waste water related problems.

Having acquired a wealth of experience since its founding back in 2000, the Company provides world-class quality customized, comprehensive and advanced solutions across the full spectrum of its industry, from clean to dirty water, for the municipal, industrial & hospital sectors.

The Design and Build arm of UWECO is specialized in latest& innovative design and manufacturing of water treatment, wastewater treatment and desalination plants/systems.

UWECO is a Kolkata based company having its head office in Kolkata & channel partners in Jharkhand, Bihar & Odisha.

What we do?

  • Water Treatment Plants/Systems: We do have a wide range of reliable & cost effective water treatment plants /systems best suited for your application .Our Plants/Systems can be operated manually, semi –automatic or fully automatic as per your requirement.
  • Waste Water Treatment Plants/Systems: UWECO is specialized in Environment Engineering & Water Resource Management from last decade & are successfully providing a world class waste water solution.
  • Packaged Drinking Plants/Systems: We provide complete packaged drinking systems as per the guidelines of IS 14543(quality water) including RO System, PET Blower Machine, Rinsing & Filling Machine, and capping machine. The machines we provide are quality assured and tested by our engineers before delivery.
  • Operation & Maintenance: Operation & Maintenance Services at your site round the clock is also provided by our company.
  • Overhauling & Spares : All types of spares such as Resins, Media , Activated Carbon , Valves , PG etc. are available in our stock anytime.
  • Chemicals: We are the manufacturer & supplier of various chemicals used in boiler & cooling tower application such as pH Booster, Antiscalant, Anti-dispersants. We also supply chemicals used in the process of water & waste water plants such as RO Chemicals, Antiscalant, SMBS, Acid, Caustic etc.

Why to choose us?

We have been able to secure a formidable position in the industry for bringing forth excellent quality Water Treatment and Filtration Plants. Our firm is highly reckoned for its quality focus and dedication towards the clients. Moreover, we have received huge accolades in the market for our transparent and ethical business practices.

These factors are enlisted below:

  • Sound business policies
  • Capacious infrastructure
  • Competent team of professionals
  • Client-centric approach
  • Easy payment modes
  • Wide distribution network


Unichem Water Engineering is a growing name in the field of Industrial & Domestic water treatment in Eastern India. It was established in the year 2000 under the leadership of Mr. Parwez Ahmed, B.Tech (Chemical Engineering) with mission to take water treatment industry to new heights. Unichem Water Engineering Co. is backed by very committed young talented management expertise. UWECO is an industry reliable supplier of high quality & latest technologies of water treatment plants & Chemicals for industrial & domestic use. For UWECO, any product is supplied with committed on time after sales service. We have good track records to keep our customers satisfied with our quality products and regular services. Customer Care is our biggest asset and their problems is given utmost care. Our customers are assured on time delivery with the least quality available. Our laboratory has modern testing equipment’s and feature standard processes with strict conformance system.


Design & Development Planning:
With our rich experience of more than 15 years we posses’ expertise of various water treatment technologies and often the right solution to clients water treatment need is a combination of these technologies. Our engineers carefully study the requirements and formulate the right solutions for our customers. We are focused on understanding customer needs and obtaining customer feedback for improving products and services and finding innovative solutions that will improve the quality of people’s lives and the environment.


Project Management
A dedicated highly experienced group of project manager supported by his dedicated team of highly skilled Mechanical Engineer, Chemical Engineer, Electrical/Instrumentation Engineer and a Design Engineer follows every project to ensure all commitments are delivered as promised, and provides a single-point contact with the customer project team.


Factory Facility
We offer comprehensive resource with a workforce of over 20 skilled & 60 unskilled people to meet the most demanding requirement of our customer. The fabrication facility offers a great strength to us and our customers in meeting the highest quality standard within the shortest possible time and reasonable cost. Any system leaving from fabrication unit first goes to our testing center where it is put through the strictest QC/ QA Test for both engineering & various parameters performance. We have adequate stock of WTP, STP, ETP spares and component ensuring delivery as per commitment. Our workforce of qualified and certified workmen manufacture tanks, pressure vessels, skids and piping in carbon steel (lined, unlined), stainless steel 304, 316 and 316 material as per both national and international standards. We have 20, 000 sq ft of Floor space in our factory where assemblies of systems are done maintain the aesthetic look of the product.


After Sales Service
When you call UWECO Customer Care Division you are working with some of the most experienced pure water experts in the industries. Highly trained in all aspects of water systems. In our After Sales Service Department monitored by Customer Care Division, Customers placed anywhere can order a wide range of replacement parts, spare parts, Consumables through our Help desk network. For any water related problem we have a dedicated group of personnel who can answer your FAQ & guide you by providing expert solution. A 24× 7 online help desk is ready just to attain the Emails & Phone from our customers to provide world class service & solution of your water related problem. All technical enquiries for the same will under constant follow up by the help desk.


Our mission is to solve our client’s problems with proper solution of treatment of either water or effluent or sewage so that the costly plants and equipment run efficiently and thus the ultimate goal is achieved both economically and technically. We are dedicated to bringing the most valuable solutions and providing the best customer experience in meeting water and environmental needs through our innovative technology solutions, products and services. We use our wide range of processes with an integrated approach to deliver total solutions for every market - household, institutional, commercial, industrial and public water supplies, urban and rural, in India and overseas. Comprehensive services such as O&M and Overhauling enable us to meet customer needs totally, offering end benefit conveniently and economically, with single source responsibility.


We plan and offer solutions for proper treatment as well as reducing the wastage of costly water and increasing the plant life and also making the environment an eco-friendly one. It is said that "Vision without action is Daydream while Action without vision is Nightmare". Our team works closely with our every respected client to earn the confidence of people and thus earn the satisfaction of accomplishment of our vision. Our vision is that after few years UWECO will be the most respected and valued company in the global water industry in the eyes of its customers, employees, stakeholders and the communities in which we work. We will make deep positive contributions to industry, society and the environment.