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JYLONG delivers high-performance valves, pipe systems, fire protection equipment, and engineered buoyancy materials for global infrastructure, marine, and industrial applications.
JYLONG is a leading manufacturer and supplier of flow control systems and solid buoyancy materials. With decades of engineering expertise, we serve critical sectors including oil & gas, marine, fire protection, water treatment, and infrastructure.
Our mission is to provide reliable, high-quality products with one-stop service, professional design support, and 24-hour after-sales assistance. We are committed to innovation, quality, and customer satisfaction.
From fire-rated pipe hangers to subsea buoyancy modules, JYLONG offers a comprehensive portfolio of engineered solutions for demanding environments.
Prevents backflow in piping systems. Ideal for water, oil, and gas applications. Available in multiple sizes and pressure ratings.
FIRE & WATER VALVE
Quick-install fittings for fire protection and industrial piping. Leak-proof, corrosion-resistant, and vibration-dampening.
FABRICATION PIPE & FITTINGS
Durable fire hydrant systems with visible indicators for rapid emergency access. Compliant with international fire codes.
FIRE FIGHTING EQUIPMENT & DOOR
Heavy-duty clamps for secure pipe support. Designed for seismic zones and high-vibration environments.
PIPE HANGERS, CLAMPS & SUPPORTS
High-strength syntactic foam blocks for subsea pipelines, risers, and structures. Resistant to deep-sea pressure and corrosion.
SOLID BUOYANCY MATERIAL
Fire-rated doors with up to 3-hour resistance. Used in commercial, industrial, and marine buildings for compartmentalization.
FIRE FIGHTING EQUIPMENT & DOOR
Compact, lightweight valve for on/off and throttling control. Suitable for water, air, and chemical media.
FIRE & WATER VALVE
Pre-cut and pre-welded steel pipes for fast installation. Ideal for fire sprinkler, HVAC, and industrial systems.
FABRICATION PIPE & FITTINGS
Engineered pipe supports to withstand earthquakes. Compliant with IBC and ASCE standards.
PIPE HANGERS, CLAMPS & SUPPORTS
Custom buoyancy solutions for underwater drones and remotely operated vehicles. Lightweight and pressure-resistant.
SOLID BUOYANCY MATERIAL
Complete valve sets with actuators, sensors, and enclosures for automated flow control in fire and water systems.
CONTROL VALVE ASSEMBLY & CABINET
Weatherproof enclosures for fire control valves and equipment. Designed for outdoor and harsh environments.
CONTROL VALVE ASSEMBLY & CABINETJYLONG provides tailored solutions combining product selection, technical design, and global support to meet your project requirements.
Custom pipe assemblies, valves, and supports for oil & gas, chemical, and manufacturing plants.
Complete fire sprinkler systems, hydrants, valves, and seismic supports for commercial and industrial buildings.
Syntactic foam solutions for deep-sea pipelines, ROVs, AUVs, and offshore structures.
We combine quality, innovation, and service to deliver unmatched value.
In-house engineering team with decades of experience in fluid dynamics and material science.
From concept to delivery, we handle everything—design, manufacturing, certification, and logistics.
Customizable products and OEM services to meet specific technical and regulatory requirements.
Round-the-clock support for troubleshooting, spare parts, and technical guidance.
Need technical support, a quote, or product information? Our team is ready to assist.
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