Our butterfly valves are made from high-quality materials and advanced manufacturing processes, ensuring exceptional fluid control and sealing performance. They are widely used across various industries, helping you achieve efficient operations. Choose our butterfly valves to experience superior reliability and durability, making your projects more successful and smooth!



Rooted in innovations that began in 1993, ASN HYD.technology is a premier manufacturer of customized and standard cooling systems. Certified by ISO 9001, 14001, 45001, and SGS, we provide high-performance thermal solutions for hydraulics, wind power, and data centers globally. Partner with a national high-tech enterprise to optimize your energy recovery.
✅ Deep Industry Expertise (Roots dating back to 1993)
✅ 100% Quality Traceability (SGS & ISO Certified)
✅ Agile Customization (From concept to mass production)
Backed by 30 years of thermal management expertise, ASN provides industry-leading solutions to optimize your equipment’s performance. Explore our core product ranges—including high-efficiency Oil Coolers, robust Heat Exchangers, and reliable Suction Units—engineered for durability and precise temperature control across diverse applications.
Ensure superior heat dissipation with our AC, DC, Hydraulic, Self-Circulation, Tube and Engine Oil coolers. We deliver 100% customized solutions built specifically for your demanding environments.
Experience efficient thermal management with our Air-to-Air, Plate, Hydraulic heat exchangers, and components. We deliver fully customized heat transfer solutions tailored to your specific fluid, temperature, and space requirements.
An essential component for hydraulic systems. Our Suction Units deliver a compact, flexible connection between tank and pump, offering economical installation and support for mechanical or inductive monitoring.
The supplier provides custom design and production based on specified requirements
The supplier supports customization based on samples
The supplier supports customization based on design drawings
Minor customization includes custom logos, packaging, and graphics
Discover how our proven cooling solutions empower global industries to operate reliably in the most demanding environments
Discover how the ASN 640kW Water-Air Cooling System ensures uninterrupted operation for SJS drilling rigs in the world’s most extreme environments. Featuring a fully enclosed design and zero water dependency, this solution eliminates contamination risks and slashes maintenance costs.
Discover how ASN optimized the Blovini Gearbox Plant with a smart, parallel-connected cooling system that dynamically adapts to fluctuating testing loads. This modular solution maximizes energy savings while guaranteeing zero downtime through built-in redundancy.
Explore how our space-optimized, dedicated cooling system secures absolute test data accuracy for Bonfiglioli gear pumps. Featuring pinpoint temperature control and rapid dynamic response, it maximizes laboratory throughput without compromising valuable floor space.
shengde road No.60, Tongzhou bay, Nantong, Jiangsu, Chiny.
+86 18601790008
jinmei.shi@asn-groups.com