
We Are Open 24 Hours a Day, 7 Days a Week, Including Weekends and Public Holidays.
Solve overheating in manufacturing and data centers with our closed loop water cooling systems – designed for US buyers facing high energy bills and unreliable suppliers.
Get Free Quote in 24hAs a US operations manager, you're battling skyrocketing energy costs and equipment failures. Our closed loop water cooling systems deliver precise temperature control without open water waste.
Ready to fix these? Explore our solutions below.
Hebei Longxuan, a leading FRP manufacturer in Hebei, China, specializes in industrial closed loop water cooling systems using durable fiberglass towers. Beat high prices and low quality with our powerful factory output.
| Feature | Specification |
|---|---|
| Material | FRP (Fiberglass Reinforced Plastic) |
| Cooling Capacity | 50-5000 RT |
| Loop Type | Closed Circuit (Glycol/Brine Compatible) |
| Efficiency | 95% Heat Rejection |
| Certifications | CE, RoHS, ISO 9001 |
| Delivery | 4 Weeks to USA Ports |
A sealed circuit using heat exchangers and FRP towers to cool without evaporation – ideal for industrial closed loop water cooling systems.
4 weeks delivery + customs. We handle DDP shipping.
Yes, full OEM/ODM for your closed loop cooling tower needs.
T/T, L/C, PayPal – 30% deposit, balance on shipment.
24/7 support + 2-year warranty. Free parts within year 1.

Manufacturing, data centers, power – water-saving closed circuit cooling.
10% Off First Order + Free Sample Kit – Stock Limited to Q1 2026. Risk-free: 30-day money-back guarantee.
WhatsApp: +86 18631823130
Email: longxuanfrp@gmail.com
Add: 20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei, China
Tel: +86 18631823130 / +86 17631849152 | Contact Page
"Outstanding quality FRP closed loop system. Delivered in 28 days, cut our costs 27%. Beats US pricing!" – Mike R., Texas Ops Manager
"OEM design was perfect for our data center. Zero corrosion after 1 year. Highly recommend!" – Sarah L., California Tech Director
"Fast service, top-notch quality. Swapped old system – now 35% more efficient. True partners." – John D., NY Supply Chain Lead
"Affordable closed loop cooling tower with CE certs. Seamless logistics to USA ports." – Alex K., Florida Plant Manager
Dr. Li Wei, Senior FRP Cooling Systems Engineer at Hebei Longxuan. With 18+ years in industrial cooling tower design, Dr. Li has led 200+ OEM projects for US clients, published in Journal of Heat Transfer, and holds patents on closed-loop FRP tech. Backed by our ISO 9001 factory.
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.





Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China
Trusted by Industry Leaders – Social Proof
Featured Client Logos
water-tower-cooler closed-cooling-system-with-cooling-tower
Real Results from Customers
Global Certifications for Peace of Mind
Compliant with US import rules. Privacy policy: View here.