Qingflex – Engineered for Extreme Performance
China's trusted manufacturer of high-pressure hydraulic, oilfield, industrial, and thermoplastic hoses. ISO, API, and DIN certified. Global delivery since 2008.
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China's trusted manufacturer of high-pressure hydraulic, oilfield, industrial, and thermoplastic hoses. ISO, API, and DIN certified. Global delivery since 2008.
Qingdao Qingflex Hose Factory – A National High-Tech Enterprise focused on R&D and manufacturing of high-performance rubber hoses for global industrial and energy sectors.
Located in Qingdao West Coast New Area (Huangdao District), our 95,000 sqm facility is equipped with advanced R&D and testing centers, including Gotech rubber test equipment, dynamic impulse testing machines, and chemical analysis systems.
We specialize in manufacturing hydraulic hoses (DIN, SAE, GB, JIS standards), API 7K & 16C oilfield drilling hoses, acid fracturing hoses (AlienFrac®), and ultra-high-pressure thermoplastic hoses up to 20,000 psi.
ISO 18752, API 7K/16C, EN45545-2, TB/T3474.2-2018
70,000m braided, 20,000m spiral, 4,000m industrial hoses
USA, Europe, Japan, South America, Russia, and more
QINGFLEX People shoulder the mission of making hydraulic systems more secure.
To be the world-class manufacturer of the most stable and high-quality rubber hoses.
Customer-centric, striver-based, persistent, honest, and integrative.
Engineered for durability, pressure resistance, and extreme environments across industries.
4SP, 4SH, R9, R12, R13 compliant. 20,000 meters/day production capacity. Ideal for high-pressure construction and mining machinery.
High-flexibility braided hose with smooth outer cover. 70,000 meters/day production. Suitable for mobile hydraulics.
Super abrasion-resistant A801F model. 15,000–20,000 psi. Swaged fittings. Replaces steel pipe in shale oil drilling.
API-7K, API-16C, BOP, Choke & Kill, Mud & Cement hoses. Designed for extreme downhole conditions.
Monobuoy, submarine, and reeling hoses for offshore oil & gas transfer. Buoyant and kink-resistant.
Suction & discharge for oil, water, chemicals, air, and concrete. Up to 200 ft per roll.
Ferrule, ferrule-less, interlock, and one-piece fittings. Compatible with major hose brands.
Push-Lok Plus for data center cooling systems. Leak-proof, high-flow design.
High-abrasion resistance for concrete delivery. Reinforced steel spiral for pressure stability.
Lightweight, flexible, and corrosion-resistant. Ideal for hydraulic test benches and mobile equipment.
Light-duty hydraulic and industrial applications. Cost-effective and flexible.
Custom hose assemblies with fittings crimped to OEM specifications. Full traceability and testing.
Compliant with international standards to ensure safety, reliability, and performance in every product.
BC, CC, DC, AC standards for hydraulic hoses
Oilfield drilling and BOP hose compliance
Railway fire safety standard (Goldpulse®)
Chinese railway hydraulic standard
Goldpulse®, Kingpulse®, Impulmax®, Qingflex®, Flexstar® – trusted in construction, mining, and industrial machinery worldwide.
Advanced R&D and test center with dynamic impulse and chemical analysis equipment.
Mass production with daily output of 70,000 meters of braided hose and 20,000 meters of spiral hose.
Exported to USA, Europe, Japan, South America, Russia, and more.
Custom lengths, fittings, and OEM solutions with fast turnaround.
For inquiries, quotes, or technical support, visit our official website.
Email: info@qingflex.com
Phone: +86-532-81667008
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