Precision-engineered polyurethane and elastomeric seal sets designed specifically to resist thermal degradation, high pressure spikes, and particulate contamination in tropical mining and timber operations.
Analyzing the strategic growth of Kié-Ntem Province as a commercial cross-border logistics nexus and its demanding environmental requirements for high-performance sealing technology.
Situated in the northeastern corner of Equatorial Guinea's continental region (Río Muni), Ebebiyin serves as a crucial commercial gateway connecting Equatorial Guinea, Cameroon, and Gabon. As infrastructure investments expand across the CEMAC (Economic and Monetary Community of Central Africa) zone, Ebebiyin has transitioned from a localized trading post into a bustling industrial logistics center. The tri-border highway corridor experiences continuous heavy vehicular transit, massive timber extraction operations, mining explorations, and civil infrastructure developments.
Heavy machinery operating throughout the Kié-Ntem province—ranging from excavator hydraulic arms and log skidders to road pavers and crushing plants—operates under grueling environmental stresses. Fleet managers and mechanical procurement directors in Ebebiyin face chronic operational challenges caused by premature seal failure, fluid leakage, and severe downtime costs.
The tropical rainforest climate of Ebebiyin presents extreme mechanical and chemical threats to conventional standard-grade rubber seals:
Transparent bulk pricing structures, customized engineering quote matrices, and material selection guidelines tailored for importers, machinery fleets, and distributor networks in Ebebiyin.
| Product Category / Series | Material Formulation | Pressure Rating (Max) | Temp Range (°C) | Est. Unit Price Range (FOB USD) | Target Ebebiyin Application |
|---|---|---|---|---|---|
| KL09 Heavy Duty Rod Seal Set | Custom PU + NBR Energizer + POM Support | Up to 500 Bar (50 MPa) | -35°C to +110°C | $4.20 - $18.50 / set | Heavy Excavator Hydraulic Cylinders, Earthmoving Skidders |
| UN Polyurethane UHS Shaft/Hole Seals | High-Hydrolysis PU (H-PU 93 Shore A) | Up to 400 Bar (40 MPa) | -30°C to +105°C | $1.10 - $6.80 / pc | Dual-purpose Hydraulic Pistons & Rods, Tipper Trucks |
| KL-93 Double Lip Wiper Seal | Abrasion-Resistant Hydrolysis-Proof PU | Dynamic Dust Exclusion | -35°C to +100°C | $0.85 - $4.20 / pc | Forestry Logging Equipment, Cross-Border Freight Cranes |
| VE Type Rotary Shaft V-Ring Seal | NBR 70 / Viton (FKM) Elastomer | Rotary Splash Exclusion | -25°C to +180°C | $0.65 - $3.90 / pc | Rotary Axles, Agricultural Machines, Sawmill Drives |
| KL128 Wear-Resistant Piston Seal | Bronze-Filled PTFE + NBR Ring | Up to 600 Bar (60 MPa) | -45°C to +200°C | $3.50 - $15.20 / set | High-Frequency Mining Machines, Heavy Pressing Systems |
| SAE 100R5 Wire Braid Hydraulic Hose | NBR Inner Tube + High-Tensile Wire Braid | Up to 210 Bar (21 MPa) | -40°C to +100°C | $2.80 - $12.50 / meter | High-Pressure Hydraulic Power Units, Auxiliary Vehicles |
For regional distributors in Ebebiyin, Bata, and Malabo ordering in volume (>1,000 units), Shaanxi Kelong provides structured tiered pricing discounts ranging from 15% to 32% off standard catalog list prices, with customized OEM branding and sea-freight packaging options.
Utilizing our imported Austrian DMH CNC machining systems, we offer rapid-turnaround custom seal dimensions (up to 2,000mm diameter) without mold costs. Quotes delivered within 2 hours of blueprint submittal for emergency repairs in Central Africa.
We coordinate end-to-end logistics solutions routing directly to Ebebiyin via the Port of Douala (Cameroon) or Port of Bata (Equatorial Guinea), handling full customs documentation, CEMAC compliance certificates, and moisture-proof tropical barrier packaging.
Shaanxi Kelong New Materials Technology Co., Ltd. was founded in 1996, which grew from Xianyang Kelong Rubber Products Institute.
It is a technological innovation company integrating R&D, production, and sales. The enterprise concentrates on high-performance hydraulic seal sets, high-pressure rubber hoses, coal mine auxiliary transportation equipment, equipment overhaul services, and advanced engineering technology services.
Our products are widely applied to Mining Industries, Heavy Machinery Construction, Civil Aviation, High-Speed Railway Networks, Engineering Equipment, Wind Power Turbines, and Marine Operations worldwide. The high-quality products and services are trusted by OEM clients and industrial operators across more than 50 countries.
The company ranks among the top three in the domestic coal machine sealing industry, and its high-pressure rubber hoses and frame-type handling vehicles are projected to enter the top three within two years. Our primary seal products account for an 8% market share in the Chinese domestic industrial market, backed by continuous international expansion into emerging markets such as Equatorial Guinea and the broader CEMAC zone.
Technology of DMH Company (Austria): Our specialized sealing products adopt the advanced CNC machining equipment and manufacturing technology from DMH Company in Austria, allowing zero-tooling custom seal production with extreme precision tolerances.
Equipment Imported from Italy: Our dedicated high-pressure rubber hose production base operates a complete set of automated wire braiding and vulcanization equipment imported directly from Italy, ensuring compliance with ISO9001 and IRIS international railway quality standards.
Real-world deployment of our high-pressure hydraulic hoses, rotary sealing systems, and polyurethane cylinder kits across major industrial projects.
Ultra-tough, high-pressure hydraulic hose engineered for rock-solid machinery performance in heavy earthmoving and iron ore extraction across the Kié-Ntem district.

Rigorously tested under dynamic shock loading, this high-pressure wire-braided hose maintains absolute pressure stability under extreme tropical heat conditions.

Innovative corrosion-resistant polymer design combining flexibility and extreme burst strength, essential for oil & gas fluid transfer systems across Equatorial Guinea.

Upgrading green energy project efficiency with ultra-low friction hydraulic seals and vibration-damping flexible hose lines.

Seals tight and lasts long in ultra-high pressure underground tunneling settings, cutting unscheduled maintenance costs by over 40%.

Combining institute-grade polymer research, European production technology, and strict ISO/IRIS quality controls to guarantee zero-defect operational continuity.
Boasting over 500 employees, nearly 180 of whom are engineers and senior technicians, supported by our dedicated R&D center and a continuous 7%+ annual R&D reinvestment rate, ensuring robust and diverse production capacity.
Certified under ISO9001 quality management and IRIS international railway industry standards, our technical team conducts 100% laser dimensional inspection and hydrostatic pressure testing on every production batch.
Powered by our large workforce and substantial R&D input, we are capable of manufacturing specialized standard and non-standard custom hydraulic seals to meet demanding specifications across multiple global industries.
Integrating Austrian DMH CNC seal processing technology and Italian fully automated wire-braided hose lines, we deliver OEM-grade seals matching European performance standards at direct factory wholesale prices.
At present, Shaanxi Kelong New Materials Technology Co., Ltd. holds total enterprise assets of 600 million RMB, with an annual output value reaching 400 million RMB. There are more than 500 employees, including nearly 180 engineers and technicians. Over 40% of our total staff hold college degrees or higher technical qualifications, and enterprise R&D personnel account for 17.5% of the total workforce. In the past three years, annual R&D investment has consistently exceeded 7% of total revenue. We remain committed to technological innovation and continuously enhancing product reliability so that our sealing systems remain at the global forefront. We sincerely welcome machinery distributors, OEM manufacturers, and project contractors from Ebebiyin and Central Africa to visit our facilities and build long-term commercial partnerships!






Pioneering smart sealing solutions, high-grade polymer chemistry, and robust regional supply chain architecture across Equatorial Guinea and Central Africa.
Our R&D laboratory is integrating carbon nanotube (CNT) reinforcement into polyurethane matrices. This breakthrough increases tensile strength beyond 55 MPa and eliminates friction-induced heat generation in high-frequency hydraulic systems operating in hot climates like Ebebiyin.
All rubber seal products and high-pressure wire braid hoses exported to Ebebiyin fully comply with ISO9001:2015, IRIS international rail standards, SAE J517 guidelines, and regional CEMAC customs quality certifications, ensuring hassle-free import clearance.
To minimize costly equipment downtime in Kié-Ntem province, Shaanxi Kelong maintains dedicated fast-track air-freight corridors and direct maritime shipments into Bata and Douala ports, guaranteeing emergency order arrival within 7–10 calendar days.
Addressing common engineering, procurement, and maintenance questions for industrial operations in Equatorial Guinea.
Explore our full line of ISO9001/IRIS certified hydraulic seals, pneumatic rings, guide elements, and high-pressure wire-braided hoses available for direct factory export.
Contact Shaanxi Kelong's engineering team today for instant technical support, customized material recommendations, and direct factory pricing quotes tailored for Equatorial Guinea.
Send Inquiry Now