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Tubular Diffuser
SPECIFICATION
PLAN SETTLING AREA
60° SLOPE : 11 m2/ m3
50° SLOPE : 13 m2/m3
CROSS SECTIONAL AREA
120 mm X 44 mm
MOC / COLOUR
Pvc / Black
HYDRAULIC RADIUS
15 mm
THICKNESSES
1 mm ± .01 mm
FITTING ARRANGEMENT
Tongue & Groove
MAX. CONTINUOUS OPERATlNG TEMP.
55° C
overview
Tube Settler Media
The demand for efficient water and wastewater treatment technologies has grown rapidly in recent years. Among these technologies, the tubular diffuser has gained immense popularity due to its high oxygen transfer efficiency, durability, and suitability for different treatment plants. Whether it is diffusers in STP (sewage treatment plants) or industrial effluent treatment, tubular diffusers provide reliable aeration solutions.
In this comprehensive guide, we will explore everything about tubular diffusers—how they work, different types, benefits, applications, comparisons with alternatives, and why Vasu Pharmatech is a trusted name as a tubular diffuser manufacturer.
What is a Tubular Diffuser?
A tubular diffuser is an aeration device designed to release air into water in the form of fine or coarse bubbles. The bubbles help in oxygen transfer, which is essential for biological processes in wastewater treatment plants.
Unlike traditional stone or disc diffusers, tube diffusers are shaped like cylinders or tubes, usually made of high-quality silicon, EPDM, or PVC membranes. They are widely used for:
- Biological wastewater treatment
- Industrial effluent treatment plants
- Sewage treatment plants (STP)
- Aeration tanks and lagoons
Technical Specifications of Tubular Diffusers by Vasu Pharmatech
Vasu Pharmatech is known for delivering technically advanced fine bubble tubular diffusers that are durable and efficient. Below are the product specifications:
| Parameter | Specification |
|---|---|
| Plan Settling Area (60° Slope) | 11 m²/m³ |
| Plan Settling Area (50° Slope) | 13 m²/m³ |
| Cross Sectional Area | 120 mm x 44 mm |
| Material of Construction (MOC) / Colour | PVC / Black |
| Hydraulic Radius | 15 mm |
| Thickness | 1 mm ± 0.01 mm |
| Fitting Arrangement | Tongue & Groove |
| Max Continuous Operating Temperature | 55° C |
These details ensure that the diffuser performs optimally under different conditions, maintaining consistency and long service life.
How Does a Tubular Diffuser Work?
The working principle of a fine bubble diffuser tube is simple yet highly effective:
- Air is supplied to the diffuser through blowers.
- The membrane tube diffuser releases the air in the form of uniform fine bubbles.
- These bubbles rise slowly, ensuring maximum oxygen transfer efficiency (OTE).
- Oxygen helps aerobic microorganisms break down organic pollutants in the wastewater.
The tube bubble diffuser design ensures uniform distribution of air, reducing dead zones and improving biological treatment.
Types of Tubular Diffusers
1. Fine Bubble Tubular Diffuser
- Produces very small bubbles (<2 mm diameter).
- Offers high oxygen transfer efficiency.
- Best suited for biological treatment in STPs and ETPs.
2. Coarse Bubble Tubular Diffuser
- Produces larger bubbles (2–5 mm diameter).
- Lower oxygen transfer but excellent for mixing and sludge reduction.
- Used in high solid concentration environments.
3. Silicon Tube Diffuser
- Made with high-grade silicon material.
- Resistant to fouling and chemical scaling.
- Performs well in long-term continuous operations.
4. Membrane Tube Diffuser
- Uses EPDM, silicon, or polyurethane membranes.
- Long-lasting with uniform bubble distribution.
- Can handle variable airflows without tearing.
5. Hybrid Tube Diffuser
- Combines fine and coarse bubble technology.
- Provides both oxygen transfer and mixing capability.
Applications of Tubular Diffusers
The versatility of tube diffusers makes them suitable for a wide range of applications:
- Municipal Sewage Treatment Plants (STP)
- Effluent Treatment Plants (ETP) in textile, pharma, and chemical industries
- Fish farming and aquaculture aeration systems
- Food & beverage wastewater treatment
- Sludge stabilization in biological reactors
- Aeration lagoons and equalization tanks
Advantages of Tubular Diffusers
High Oxygen Transfer Efficiency
Fine bubble tubular diffusers release millions of small bubbles, increasing oxygen transfer rates.
Energy Efficiency
Requires less blower power compared to coarse bubble systems.
Uniform Distribution
Even bubble release ensures no dead zones in the aeration tank.
Durability
Materials like PVC, EPDM, and silicon provide long service life.
Easy Installation
Tongue & Groove fitting arrangement ensures quick setup.
Cost-Effectiveness
Long lifespan reduces replacement costs, making it a cost-effective aeration solution.
Tubular Diffuser vs Alternatives
When compared to other diffusers, tubular diffusers stand out due to efficiency and durability.
| Feature | Tubular Diffuser | Disc Diffuser | Plate Diffuser |
|---|---|---|---|
| Oxygen Transfer | High (Fine Bubbles) | Moderate | Moderate |
| Durability | High (PVC/Silicon) | Medium | Medium |
| Installation | Easy | Moderate | Difficult |
| Maintenance | Low | Medium | Medium |
| Cost | Competitive | Low | High |
Factors Affecting Tube Diffuser Price
The tube diffuser price can vary depending on several factors:
- Material used (Silicon, PVC, EPDM, etc.)
- Type of diffuser (Fine bubble, coarse bubble, or hybrid)
- Size and dimensions
- Brand reputation
- Operating temperature capacity
- Customization options
Vasu Pharmatech provides highly competitive prices while ensuring quality and performance standards are never compromised.
Why Choose Vasu Pharmatech as Your Tubular Diffuser Manufacturer?
With years of experience, Vasu Pharmatech is one of the most trusted tubular diffuser manufacturers in India. Here’s why:
- Advanced Technology – State-of-the-art production ensures consistent quality.
- Custom Solutions – Diffusers tailored to client-specific applications.
- Durability – Products designed for long-term use in harsh environments.
- Energy Saving – High oxygen transfer reduces operational costs.
- Competitive Pricing – Affordable without compromising on performance.
- Proven Track Record – Trusted by multiple STPs, ETPs, and industrial clients.
Practical Example: Tubular Diffusers in STP
Imagine a municipal sewage treatment plant processing 10 MLD (million liters per day). If traditional disc diffusers are replaced with fine bubble tubular diffusers, the plant can achieve:
30–40% higher oxygen transfer efficiency
20% lower energy consumption
Reduced sludge production
Improved overall treatment efficiency
This practical application highlights the importance of choosing the right diffuser technology.
Maintenance & Best Practices
To ensure long life and consistent performance of tube diffusers:
Regular Cleaning – Prevents clogging due to biological growth.
Avoid Overloading – Do not exceed maximum operating temperature (55°C).
Periodic Inspections – Check for membrane wear and tear.
Use Quality Air Supply – Ensure no oil or dust enters the system.
Following these practices can extend diffuser life and reduce maintenance costs.
Future of Tubular Diffuser Technology
With increasing demand for sustainable wastewater treatment, tubular diffusers will continue to evolve. The focus will be on:
Nano-bubble technology for even higher oxygen transfer.
Eco-friendly materials for diffuser membranes.
Smart monitoring systems for real-time efficiency tracking.
Vasu Pharmatech is constantly innovating to stay ahead in this segment.
Conclusion
Choosing the right diffuser is crucial for wastewater treatment efficiency. Tubular diffusers not only improve oxygen transfer but also reduce operational costs and maintenance efforts.
With fine bubble tubular diffusers, silicon tube diffusers, and membrane tube diffusers, Vasu Pharmatech provides solutions that match global standards. Whether you are setting up a new STP or upgrading an existing system, investing in Vasu Pharmatech tubular diffusers ensures long-term reliability and performance.
Take the next step toward efficient wastewater treatment—choose Vasu Pharmatech as your trusted tubular diffuser manufacturer.
About The Author
Lalit Nankani
Managing Partner, Vasu Pharmatech
Lalit Nankani has over 12 years of experience in the filtration and water treatment industry. He leads Vasu Pharmatech, a trusted name in making PP Filter Press Systems, MBBR Filter Media, and other filtration products.
Under his leadership, the company has delivered high-quality solutions to many industries like pharmaceuticals, chemicals, food and beverage, textiles, and wastewater treatment. Lalit believes in providing strong, easy-to-use, and cost-effective systems that help businesses clean and reuse water.
Q1. What is a tubular diffuser?
A tubular diffuser is an aeration device used in wastewater treatment plants to release air in the form of bubbles, improving oxygen transfer for biological treatment.
Q2. How does a tubular diffuser work?
It works by forcing air through a membrane tube, which then releases fine or coarse bubbles into the water to support microbial activity in treatment tanks.
Q3. What is the difference between fine bubble and coarse bubble tubular diffusers?
Fine bubble diffusers produce very small bubbles, offering higher oxygen transfer efficiency. Coarse bubble diffusers produce larger bubbles, which are better for mixing and sludge reduction.
Q4. Where are tubular diffusers used?
They are mainly used in sewage treatment plants (STP), effluent treatment plants (ETP), aquaculture systems, and industrial wastewater treatment.
Q5. What materials are tubular diffusers made from?
Common materials include PVC, silicon, EPDM rubber, and polyurethane. These materials ensure durability and resistance to fouling.
Q6. What are the advantages of using tubular diffusers?
They offer high oxygen transfer efficiency, energy savings, long service life, easy installation, and low maintenance.
Q7. How do tubular diffusers compare to disc diffusers?
Tubular diffusers provide better oxygen transfer, longer durability, and easier installation, while disc diffusers are cheaper but less efficient in the long run.
Q8. What is the lifespan of a tubular diffuser?
Depending on the material and usage conditions, a tubular diffuser can last between 5 to 8 years with proper maintenance.
Q9. What is the maximum operating temperature for tubular diffusers?
Most tubular diffusers, like those from Vasu Pharmatech, can operate continuously up to 55°C.
Q10. Are tubular diffusers suitable for high solid concentration wastewater?
Yes, coarse bubble tubular diffusers are well-suited for high solid and sludge-heavy environments.
Q11. How is the price of a tube diffuser determined?
The price depends on material, type (fine or coarse bubble), size, manufacturer, and customization options.
Q12. Can tubular diffusers be customized for different applications?
Yes, manufacturers like Vasu Pharmatech provide customized tubular diffusers based on tank size, airflow, and treatment needs.
Q13. How do I maintain tubular diffusers?
Regular cleaning, inspection for wear and tear, and using clean air supply help maintain performance.
Q14. What are silicon tube diffusers?
Silicon tube diffusers are tubular diffusers made from silicon, offering excellent resistance to fouling and long-term performance.
Q15. Why are fine bubble tubular diffusers more efficient?
They create tiny bubbles that rise slowly, ensuring maximum oxygen dissolution in water.
Q16. Do tubular diffusers reduce energy costs?
Yes, because they deliver higher oxygen transfer efficiency, they require less blower power, lowering overall energy consumption.
Q17. Can tubular diffusers be used in fish farming?
Yes, they are commonly used in aquaculture to maintain dissolved oxygen levels for healthy fish growth.
Q18. What is a membrane tube diffuser?
It is a diffuser with a flexible membrane (usually EPDM or silicon) that expands and contracts to release uniform bubbles.
Q19. How do I choose the right tubular diffuser for my plant?
Factors like wastewater type, tank size, airflow requirement, and treatment goals should be considered. Consulting a reliable manufacturer like Vasu Pharmatech ensures the best choice.
Q20. Why choose Vasu Pharmatech for tubular diffusers?
Because they provide high-quality, durable, and energy-efficient tubular diffusers backed by technical expertise and competitive pricing.
Products
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Vasu Pharmatech offers high-quality wastewater treatment products designed for efficient, reliable, and sustainable solutions.
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MBBR filter media: biologically active carrier tailored to water properties.
Coarse bubble diffuser: Submerged aeration for microbial degradation.
Fine bubble disc diffuser: Submerged aeration for microbial degradation.
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Coarse bubble diffuser: Submerged aeration for microbial degradation.
Fine bubble diffuser: Submerged aeration for microbial degradation.
testimonials
What Our Clients Say About Us
Rohit Mehra
Delhi
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Vasu Pharmatech se liya MBBR Media, quality top class hai aur price bhi reasonable.
Sunita Rani
Ahmedabad
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Maine unka Tube Settler Media STP project ke liye liya, installation easy tha aur result superb.
Anil Kapoor
Kolkata
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Yahan ka Fine Bubble Diffuser bahut durable hai, paani ka treatment smooth ho gaya.
Deepak Singh
Mumbai
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MBBR Media ka material strong hai aur bio growth fast karta hai, highly recommended.
Meera Joshi
Chennai
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Delhi me best Tube Deck Media Supplier mujhe Vasu Pharmatech hi mila.
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Delhi
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FAB Reactor ka design simple hai aur efficiency outstanding, paise vasool product.
Priya Sharma
Hyderabad
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Inka Filter Press Machine sludge dewatering ke liye best hai, smooth operation milti hai.
Vikram Patel
Gujarat
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Maine Disc Diffuser Aerator lagaya STP me, oxygen transfer rate awesome hai.
Rashmi Nair
Kerala
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Unka Automatic Filter Press kaafi easy hai operate karne me, maintenance kam hai.
Rohit Mehra
Delhi
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Vasu Pharmatech se liya MBBR Media, quality top class hai aur price bhi reasonable.
Sunita Rani
Ahmedabad
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Maine unka Tube Settler Media STP project ke liye liya, installation easy tha aur result superb.
Anil Kapoor
Kolkata
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Yahan ka Fine Bubble Diffuser bahut durable hai, paani ka treatment smooth ho gaya.
Arun Yadav
Rajasthan
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PVC Tube Settler ka quality imported jaisa hi hai, aur delivery bhi time pe.
Sandeep Malhotra
Punjab
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MBBR STP ke liye inke pass best quality Fab Bio Pack Media milta hai.
Anjali Verma
Delhi
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Maine Coarse Bubble Diffuser use kiya, wastewater aeration me zabardast output mila.
Mohit Gupta
Ahmedabad
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Tube Diffuser ka material strong hai aur price market se kaafi better mila.
Kiran Bansal
Kolkata
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Vasu Pharmatech ka Plate and Frame Filter Press long-lasting hai, kaafi satisfied hoon.
Naveen Rao
Bangalore
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MBBR Reactor purchase kiya aur ab system ka performance double ho gaya.
Harpreet Kaur
Amritsar
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EPDM Fine Bubble Disc Diffuser ka bubble size uniform hai, bilkul sahi product.
Ashok Jain
Surat
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Delhi NCR me inka MBBR Media Supplier service fast aur reliable hai.
Rajesh Sharma
Delhi
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Unka Tubular Diffuser lagane ke baad energy saving noticeable hai.
Pooja Sinha
Kanpur
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Hydraulic Filter Press ka design kaafi advanced hai, easy to handle.
Imran Ali
Lucknow
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FAB Media ka flow aur treatment efficiency dono hi best hai.
Nisha Mehta
Mumbai
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MBBR Wastewater Treatment project me inki products use karke results amazing aaye.
Abhishek Tiwari
Indore
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Filter Press Sludge Dewatering system smooth chalta hai, koi dikkat nahi aayi.
Geeta Rathi
Delhi
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Inka Clear PP Tube Settler STP ke liye perfect fit raha.
Manoj Patel
Ahmedabad
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Vasu Pharmatech ka Diffuser Tube bilkul leakage free aur effective hai.
Sonia Kapoor
Delhi
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Maine Membrane Tube Diffuser lagaya, performance bahut acha hai.
Farhan Sheikh
Jaipur
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Verified Purchase
Coarse Bubble Diffuser ka aeration kaafi fast hai, kaam asaan ho gaya.
Kavita Nair
Kerala
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Verified Purchase
FAB Reactor media ka biofilm growth uniform hai, kaafi achha experience.
Ravi Bansal
Delhi
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Tube Settler Media ka installation unke team ne jaldi complete kar diya.
Prakash Menon
Tamil Nadu
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Vasu Pharmatech ka Automatic Filter Press Machine time aur labor dono save karta hai.
Neha Sharma
Hyderabad
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MBBR Bio Media ka price market competitive hai aur quality high.
Rajiv Kumar
Gujarat
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Maine unka Filter Press for Sludge Dewatering liya, full value for money hai.
Tina Arora
Delhi
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Inke Diffusers in STP reliable hai, paani ka treatment hassle free ho jata hai.
Mohammed Asif
Kolkata
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Tube Deck Settler ka design compact hai aur space saving solution diya.
Yogesh Patel
Rajkot
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Verified Purchase
Vasu Pharmatech se liya hua MBBR Water Treatment Media durable aur effective hai.
Suraj Jain
Surat
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FAB Media aur Diffusers ka combination inhone suggest kiya, result best mila.
Anand Krishnan
Bangalore
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Vasu Pharmatech supplied us MBBR Media for our STP, and the performance has been excellent.
Kiran Thapa
Siliguri
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Their Tube Settler Media is durable, easy to install, and very effective in wastewater treatment.
Aarti Verma
Delhi
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The Filter Press Machine from Vasu Pharmatech is reliable and works perfectly for sludge dewatering.
Mahesh Yadav
Haryana
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Their FAB Reactor system is compact and provides excellent biological treatment.
Ritika Sharma
Pune
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We received PVC Tube Settler Media, and the quality exceeded our expectations.
Saurabh Goyal
Jaipur
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The Automatic Filter Press has saved us both time and manpower – very satisfied.
Divya Nair
Kochi
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Verified Purchase
Their Coarse Bubble Diffusers work well for wastewater aeration, giving consistent results.
Pankaj Mishra
Delhi
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Verified Purchase
The Tubular Diffusers are strong, efficient, and delivered on time.
Ramesh Bhatt
Uttarakhand
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Verified Purchase
Vasu Pharmatech provided us with EPDM Fine Bubble Disc Diffusers, and the oxygen transfer rate is outstanding.
Harshita Soni
Noida
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Their MBBR Bio Media is competitively priced yet offers premium performance.
Anwar Hussain
Ahmedabad
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The Hydraulic Filter Press is designed very well and easy to operate.
Shweta Aggarwal
Ludhiana
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Verified Purchase
For Tube Deck Media, Vasu Pharmatech is one of the most reliable suppliers we have worked with.
Akhil Nair
Bangalore
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Verified Purchase
Their Disc Diffuser Aerators are durable and perfectly suited for our STP application.
Manjeet Kaur
Punjab
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Vasu Pharmatech products are cost-effective, reliable, and perfect for water treatment projects.
Ajay Verma
Delhi
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Verified Purchase
Vasu Pharmatech ka MBBR Media liya, paani ka treatment smooth ho gaya aur maintenance bhi easy hai. Tube Settler aur Diffuser ka combination STP me highly efficient sabit hua.
Kunal Sharma
Delhi
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Verified Purchase
We bought MBBR Media and Tube Settler from Vasu Pharmatech for our STP. The quality is excellent, installation simple, and treatment performance outstanding.
★★★★★ 5/5
Reviews and Ratings
We certify that M/s. Vasu Pharmatech, located at 66B, Pocket AD Shalimar Bagh, Delhi-110088, supplied us with a Pharmatech filter press for our 275 KLD ETP plant at M/s. Asian Colour Coated Ispat Ltd. in Bawal, Dist: Rewari (Hr.). The plant was started in January 2018 and is still working well. The product and its performance have been satisfactory up to now.
ASIAN COLOUR COATED ISPAT LIMITED
Rewari, Haryana
