Explore our top-tier selection of industrial-grade conveyor belts and idler roller accessories, optimized for high load distribution, wear resistance, and extreme ambient operating temperatures.
Founded in 2004, Hebei Boao Rubber Technology Co., Ltd. (operating under the nationally recognized "Jinao" brand) is a premier Chinese manufacturer specializing in the research, design, chemical engineering, and manufacturing of high-performance conveyor belts and support components. Located in the specialized Rubber Industrial Park of Boye County, Baoding, Hebei Province, our facilities span over 30 acres of state-of-the-art production space.
Over the past 22 years, we have committed our engineering capabilities to solving the most difficult challenges in bulk material handling. As an ISO 9001 quality management certified organization, Boao has built a fully vertical production stream incorporating automated rolling mills, advanced forming systems, high-temperature vulcanizing presses, and a highly sophisticated testing laboratory. Our product pipeline supplies vital heavy industrial operations across the globe, from large-scale metallurgical operations to specialized shipping terminals handling raw coal, aggregate, cement, and chemical fertilizers.
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The **Columbia Basin** region of North America represents one of the most demanding environmental and logistical landscapes for bulk material conveyor systems. Spanning vast agricultural valleys, basalt aggregate quarries, major inland shipping ports, and high-throughput pulp facilities, bulk material handlers in this region face unique operating conditions. High-efficiency operations require belts capable of transitioning between sub-zero winter temperatures and dry, hot summer climates without losing structural flexibility or carcass integrity.
Global demand patterns highlight a clear transition away from basic commodity belts toward custom-engineered, multi-ply, and steel-reinforced rubber belts. Contemporary industrial sites require bulk material conveyance systems that reduce energy consumption, minimize physical downtime, and guarantee resistance against high-impact tears, aggressive chemicals, and extreme temperatures. Our export-ready product catalog addresses these exact operational specifications, offering tailored belt grades that comply with international standards such as DIN 22102, AS 1332, and CEMA recommendations.
Modern conveyor belt manufacturing at Hebei Boao Rubber Technology is guided by the principles of **Industry 4.0**. By transitioning from manual compound mixing to closed-loop, computerized internal mixing rooms, we ensure that every batch of synthetic and natural rubber compound achieves perfect chemical dispersion. This structural uniformity is critical for specialized products like cold-resistant, heat-resistant, and flame-retardant belts, where chemical impurities can compromise the physical integrity of the entire conveyor line.
Our Quality Assurance matrix is supported by an independent chemical analysis lab and a specialized physics testing room. Raw materials—ranging from high-tensile steel wire ropes to industrial nylon and polyester fabrics—undergo rigorous entry screening. Vulcanization processes are monitored via digital sensors that track pressure distribution, thermal consistency, and curing times in real time. For international projects, particularly in heavy distribution zones like the Columbia Basin, this translates into zero-defect shipments, complete traceability, and reliable production schedules that shield our global partners from supply chain volatility.
Understanding the exact physical properties of your conveying medium is paramount to selecting the right component. Below is the technical specification breakdown for our primary multi-ply textile and steel-cord reinforced rubber belts manufactured under international guidelines.
| Belt Class / Type | Carcass Reinforcement | Tensile Strength (N/mm) | Cover Compound Features | Applicable Standards |
|---|---|---|---|---|
| Steel Wire Rope Core | Zinc-Coated Steel Cords | ST500 - ST5400 | Extreme Wear, Anti-Tear, Low-Elongation | DIN 22131, ISO 15236 |
| EP Layered Belt | Polyester (Warp) / Nylon (Weft) | 100 - 630 N/mm per ply | High Elongation Resistance, Damp Dampening | GB/T 7984, DIN 22102 |
| NN Layered Belt | Nylon / Nylon Synthetic Fabric | 100 - 500 N/mm per ply | High Flexibility, Impact Absorption, Deep Troughing | ISO 14890, BS 490 |
| Heat-Resistant (HR) | EP / Glass-Fiber / Steel Mesh | EP 200 - EP 500 | EPDM / Chlorobutadiene (Resists up to 200°C) | ISO 4195, JIS K6322 |
| Cold-Resistant (CR) | High-Flex EP / Textile | EP 100 - EP 400 | Natural/Synthetic Blend (Resists down to -50°C) | DIN 22102, ISO 4649 |
Every roll of conveyor belt produced at Hebei Boao Rubber Technology leaves our facility with a verified certificate of analysis. We invite third-party inspection firms (such as SGS, Bureau Veritas) to run safety and durability audits to confirm compliance with global procurement standards.
ISO9001 Quality System
ISO14001 Environmental
ISO45001 Safety
Standard Quality Verified
Global Export Permit
Our Jinao brand is trusted by some of the largest mining, power generation, and infrastructural groups. These long-term partnerships reflect our ability to manufacture, customize, and service high-capacity material handling systems in harsh real-world settings.
Sintering & Ore Transport
Global Mineral Conveyance
Copper & Gold Heavy Feeders
Clinker & Limestone Transfer
A conveyor belt represents a significant capital asset. Maximizing its operating lifespan requires strict attention to engineering alignment, preventive maintenance, and precise splicing protocols. Hebei Boao Rubber Technology offers comprehensive technical service plans designed to remove procurement friction and safeguard performance:
EP (Polyester-Nylon) belts feature polyester cords in the longitudinal direction (warp) and nylon fibers in the transverse direction (weft). This design yields very low structural elongation under load, making them ideal for long-distance transport. NN (Nylon-Nylon) belts feature nylon fibers in both directions, providing higher elasticity, excellent impact resistance, and superior troughability, which is preferred for shorter, high-impact systems handling sharp, heavy materials.
For heavy mining, DIN 22102 Grade X or Grade W covers are typically recommended. Grade X provides excellent resistance to cutting, gouging, and heavy impacts, while Grade W is designed for extremely abrasive fine materials (such as sinter, sand, or copper concentrates) with an abrasion loss value restricted below 90 mm³.
We use open-type galvanized steel wire ropes to allow vulcanizing rubber to fully penetrate between individual wire filaments, preventing internal corrosion. Every production run undergoes non-destructive ultrasonic and X-ray joint inspections to verify wire spacing, alignment, and bond strength before packaging.
Yes. Our cold-resistant (CR) line is engineered using natural rubber and butadiene rubber blends. These belts are tested in specialized low-temperature chambers to ensure they retain flexibility, resist surface cracking, and prevent impact fracturing in environments down to -50°C, typical of winters in the Columbia Basin and northern logistics hubs.
For inclines greater than 18 degrees, we recommend our High Angle Wavy Edge Conveyor Belts (sidewall belts) or chevron-patterned belts. Sidewall belts feature corrugated flexible walls and horizontal cleats that allow materials like grain, coal, or sand to be carried vertically up to 90 degrees without spillage.
Our physics and chemistry labs test raw rubber compound plasticity, vulcanization curve profiles, cured rubber tensile strength, elongation at break, ozone degradation resistance, and oil/acid chemical swelling. Fabric plies are tested for inter-ply and rubber-to-fabric adhesion strength.
Our idler rollers, including troughing and rubber buffer types, use a multi-stage labyrinth seal design that is grease-filled. This mechanical barrier prevents fine coal dust, cement powder, or rain from reaching the precision ball bearings, extending roller lifetime and preventing drag-induced belt wear.
Yes. As a direct manufacturer, we build conveyor belts to custom widths (up to 2200mm), thicknesses, and ply configurations. Edge finishes can be ordered as molded edges (ideal for high-moisture or abrasive applications) or cut edges (standard for light to medium-duty multi-ply belts).
All belt rolls are wrapped around steel/wooden cores, covered in waterproof PP protective sheeting, and secured with steel strapping. High-capacity steel cord rolls are shipped in heavy-duty steel cradles to prevent damage during sea transport and simplify onsite unloading.
Our export division handles ocean freight, customs clearance documentation, and inland logistics planning. We work directly with major logistics networks to ensure cost-effective shipping containers arrive safely at inland rail yards and industrial ports worldwide.
Whether you are engineering a new bulk terminal or upgrading an existing conveyor line, our technical support engineers will analyze your tension requirements, material abrasion curves, and layout dimensions to propose an optimized solution.
Email: [email protected]
Hebei Boye Rubber Industrial Park, Baoding, China
ISO9001:2015, ISO14001, ISO45001
Products fully conform to DIN, AS, CEMA, and ISO specifications
Complete your conveyor infrastructure with our high-impact rollers, specialized flame-retardant options, and custom multi-ply designs engineered for severe duty cycles.
Boao Rubber