Collect Products Exporter & Quotes Serving São Paulo

High-End Industrial Hydraulic Hoses & Sealing Systems Engineered for Brazil's Heavy Machinery and Agricultural Sectors

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The Industrial Powerhouse of São Paulo & Sealing Requirements

São Paulo stands as the macroeconomic engine of Latin America, housing massive industrial complexes across the ABC Region, Campinas, and Sorocaba. Key sectors including automotive assembly, sugarcane processing, paper and pulp mills, and infrastructural construction demand exceptionally durable hydraulic solutions. The tropical climate, characterized by high seasonal humidity and elevated ambient operating temperatures, accelerates the degradation of rubber hoses and elastomer seals. Standard components often suffer from premature thermal cracking, hydrolysis, and abrasive wear from sugarcane bagasse or construction dust.

To prevent costly downtime, procurement managers require hydraulic hoses and cylinder seals that comply strictly with international and ABNT standards. Kelong New Materials bridges this gap by engineering high-pressure braided hoses and custom polyurethane (PU) and PTFE seals that exhibit superior thermal stability and fluid compatibility. By sourcing directly from a China Factory 4.0 manufacturer, businesses in São Paulo secure access to premium European-standard equipment solutions without local premium markups.

Kelong Factory Operations

China Factory 4.0: Heavy-Duty Hydraulic Infrastructure

Learn how Shaanxi Kelong New Materials integrates European technology and massive manufacturing capacity to deliver resilient supply chains globally.

Founded in 1996, Shaanxi Kelong New Materials Technology Co., Ltd. (originating from the Xianyang Kelong Rubber Products Institute) has evolved into a global leader in high-performance hydraulic seals and high-pressure hoses. With total assets reaching 600 million RMB and an annual output value of 400 million RMB, Kelong ranks among the top three manufacturers in the domestic industrial sealing sector.

Our commitment to technical excellence is demonstrated by our workforce: out of 500+ employees, nearly 180 are specialized engineers and technicians. We dedicate more than 7% of our annual revenue to R&D, continuously testing polymer compound variations and high-tensile wire configurations. Our hydraulic hose production base relies on complete manufacturing lines imported from Italy, ensuring unmatched extrusion accuracy. Concurrently, our sealing product line incorporates advanced production technology and equipment from DMH Company in Austria, yielding micro-precision tolerances for excavator and mining cylinder kits.

600M RMB
Total Corporate Assets
400M RMB
Annual Output Value
500+
Skilled Workforce
180+
Engineers & Technicians

Macro-Industry Sealing & Hose Solutions

Engineered to match the high standards of heavy machinery operations across diverse Latin American applications.

Sugarcane Mechanical Harvesting

Sugarcane processing plants around Ribeirão Preto experience severe dust build-up and mechanical vibrations. Our DIN EN853 1SN wire braided hoses are equipped with biodegradable hydraulic fluid resistance, ensuring environmental compliance while providing continuous fluid flow to harvesting cylinder systems.

Automotive Press Hydrualics

Automobile manufacturers in São Bernardo do Campo demand micro-precision seal kits. Our PU UN Y-type seals and static-free PTFE hoses operate within heavy stamping machines, showing zero pressure drop during 24/7 manufacturing cycles under extreme load cycles.

Port Infrastructure & Logistics

At the Port of Santos, gantry cranes handle containerized freight non-stop. Hoses with high UV stability and marine-grade salt resistance are critical. Our high-pressure stainless steel PTFE braided hoses guarantee chemical and thermal inertness in saline coastal atmospheres.

Sealing Components Quality Check

Localization Support & Brazilian Compliance

Importing industrial components into Brazil requires a deep understanding of local regulations. Kelong assists São Paulo clients through a simplified export process that addresses key hurdles:

  • ABNT NBR Compliance: All hydraulic hoses and sealing units comply with matching SAE and DIN ISO international standards, ensuring compatibility with Brazilian engineering designs.
  • SISCOMEX Documentation support: We provide structured packing lists, commercial invoices, and certificates of conformity to ease customs processing at port of Santos or Guarulhos airport.
  • Secure Packaging: Double-layered anti-UV packaging prevents polymer degradation during long transit journeys through maritime routes.
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Industrial Project Cases Serving São Paulo

Proven performance in heavy-duty applications across structural, energy, and transportation projects.

Hose in Mining Machinery

Hose in São Paulo Mining Machinery

Ultra-tough, high-pressure hydraulic hose for rock-solid machinery performance in mining sites.

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Crane Stability with Hose

Crane Stability at Santos Port

Rigorously tested, our hoses stay stable under extreme load-shifting conditions on gantry cranes.

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Hose on Offshore Rig

Offshore Drilling Rigs Support

Innovative design combining high flexibility and high pressure resistance for offshore Santos Basin extraction.

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Wind Turbine Hose Case

Wind Turbine Hydraulic Pitch Control

Upgrade turbine mechanical efficiency with our highly reliable hydraulic seal kits and hoses.

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TBM Hose Application

TBM Shield Hose Application (Metro SP)

Our high-pressure hoses ensure leak-free performance within tunnel boring machines under severe underground stresses.

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Technical Roadmap & Polymeric Innovations

How our Material R&D center optimizes rubber and thermoplastic polyurethane for high-friction and high-pressure setups.

A major challenge in sealing high-pressure cylinders is finding a material that balances mechanical strength with flexibility. Over the past five years, Kelong's lab has formulated proprietary Polyurethane (PU) and fluorocarbon rubber (FKM) blends designed for heavy duty machinery operating in challenging climates:

  • UN Piston Seals: Developed from specialized polyurethane with high hydrolysis resistance, preventing premature degradation when exposed to mineral oils mixed with tropical moisture.
  • Fluoropolymer (PTFE) Sliders: Offers near-zero static friction coefficients, eliminating stick-slip issues during slow-speed cylinder operations in precision automotive stamping.
  • Triple Wire-Braid Reinforced Hose Structures: Using high-tensile steel wire core systems, achieving up to 4x working pressure safety factors, exceeding standard SAE minimum specifications.

Frequently Asked Questions (FAQ)

Important technical and logistics questions addressed by our engineering and export team.

What are the lead times for exporting custom hydraulic seal batches to São Paulo?
Our standard production time for OEM seal kits and hoses ranges from 10 to 15 days. Transport via sea freight from China ports to the Port of Santos usually takes 35 to 45 days. We also offer expedited air freight via GRU Airport for urgent operations.
Do your hoses meet SAE 100R1 and DIN EN853 standards?
Yes, our premium hoses strictly meet and exceed the mechanical specifications of SAE 100R1 and DIN EN853. We provide mill test certificates verifying burst pressures and impulse cycles for every batch.
Which materials are best suited for tropical climates in Brazilian sugar cane fields?
For humid environments and potential contact with biodegradable hydraulic oils, we recommend our specialized H-PU (Hydrolysis-resistant Polyurethane) seals. For temperature fluctuations and high UV exposure, FKM (Viton) and double-shielded wire braided rubber hoses provide optimal service life.
How does Kelong manage quality control on Italian-imported extrusion equipment?
Our Italian production line features continuous laser measurement systems that track diameter variations in real time. Hoses that show even a 0.1mm deviation are rejected automatically, ensuring reliable crimp seating.
Can you supply custom sizes based on drawings?
Yes. Backed by our Austrian DMH seal CNC machining systems, we can fabricate custom seals up to 1000mm in diameter without requiring expensive mold tools. Simply submit your CAD files or technical drawings for a quick quote.
How do you support customs clearance in Brazil?
We supply complete documentation including commercial invoices, packing lists with detailed NCM codes (Mercosur Harmonized System), and COs (Certificate of Origin). This helps ensure compliance and smooth clearance processes with Receita Federal.

Streamline Your Industrial Supply Chain

Partner with an authoritative, technology-backed manufacturer. Secure lower operational costs and exceptional performance for your hydraulic assemblies in São Paulo.

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