Engineered rubber conveyor systems tailored for critical materials handling applications, featuring optimized cover compounds and high-impact resistance plies.
Hebei Boao Rubber Technology Co., Ltd., situated strategically within the renowned Rubber Industrial Park of Boye County, Baoding, Hebei Province, is a flagship enterprise specializing in heavy industrial materials handling elements. Established in 2004 and expanding over 30 acres of advanced manufacturing space, we lead the domestic market with our signature "Jinao" brand.
Boao operates complete production pipelines integrating state-of-the-art rubber compounding center, precision fabric tension rolling calenders, massive automated flat vulcanizers, and complete physical and chemical testing laboratories. We have achieved ISO 9001, ISO 14001, and ISO 45001 management certifications, confirming our strict operational controls from raw materials procurement to final output tracking.
Our manufacturing system complies with global requirements including API 6D, API 607, CE, ISO9001, ISO14001, and ISO18001 / OHSAS18001. We provide detailed third-party test reports (SGS, BV, TUV) upon request to facilitate seamless industrial compliance globally.

ISO Certification

SGS Quality

System Audit

CE Compliance
A Comprehensive Guide on EP Multi-Ply Reinforcements, Mechanical Advantages, Compound Selection, and Operating Lifespans.
Polyester Rubber Conveyor Belts (popularly marked as EP Belts) employ synthetic woven fabric as carcass reinforcement. The warp is composed of Polyester (E) to guarantee minimal elastic elongation under tension, while the weft uses Nylon/Polyamide (P) which offers exceptional flexibility, high troughability, and excellent impact fatigue absorption. This combination secures optimal tracking on multi-roller setups.
Cover rubber formulations must be designed according to severe global standards (ISO 10247, DIN 22102). Grade W (High Abrasion Resistance, 90mm³ loss max) is engineered for highly abrasive materials like glass cullet or sharp granite. Grade X (Medium Abrasion/Cut resistance, 120mm³ loss max) works well for heavy impact ore transport. Grade Y (Standard duty, 150mm³ loss max) suits dry aggregates, coal, and bulk soil transport.
Standard rubber degrades quickly when exposed to continuous heat, aggressive chemicals, or petroleum products. Boao manufactures custom heat-resistant EP belts (up to 200°C continuous, 250°C peak), acid-alkali resistant variants utilizing specialized EPDM/Chloroprene polymers, and anti-static, flame-retardant styles certified for underground mining safety.
The modern conveyor sector is transitioning rapidly toward energy efficiency and long-term durability. Low Rolling Resistance (LRR) bottom covers are gaining popularity, reducing conveyor power requirements by 10% to 15% through minimized energy absorption when passing over idler rollers. Additionally, eco-friendly vulcanization systems that exclude toxic nitrosamines are becoming standard. Manufacturers are moving from basic rubber compositions to smart, composite profiles capable of self-diagnosing surface gouges or carcass damage via integrated RFID sensors and conductive wire loops.
Another major trend is the shift from mechanical splicing to advanced cold bonding and hot vulcanization on-site. The structural integrity of the splice determines the operational lifespan of the conveyor system. By utilizing high-purity adhesive rubber compounds and matching fabric plies precisely, plant operators can achieve joint strength efficiencies exceeding 90% of the original carcass tensile limit.
Large-scale mining operations, massive steel complexes, and international grain ports prioritize procurement strategies that minimize unplanned downtime. A single conveyor belt failure can halt production, resulting in substantial financial losses. To mitigate these risks, procurement directors use strict evaluation criteria:
Different industrial fields face distinct challenges, requiring specialized belt configurations:
A look inside Boao’s Boye Rubber Industrial Park facility, illustrating the production sequence from initial polymer mixing to final performance verification testing.
Microprocessor-controlled compounding center ensures uniform dispersion of polymers, carbon black, and vulcanizing agents.
Multi-roller calender applies tension to fabric plies while wrapping them in raw rubber sheets under regulated pressure.
Tensile testers measure cover-to-ply and ply-to-ply adhesion, verifying resistance to delamination under tension.
Steel Cord Pull-out Tester
Dynamic Fatigue Tester
Abrasion Tester (DIN)
Physical Properties Lab
To ensure optimal performance and long service life, Hebei Boao Rubber Technology offers comprehensive technical service plans designed to extend belt life cycles and minimize unscheduled downtime.
Our services include structured inspections, scheduled maintenance, emergency repair assistance, and site audits. We help operators implement preventative maintenance schedules, determine correct splicing parameters, and identify early alignment issues. This hands-on approach helps reduce belt consumption and lowers the total cost of ownership.
We provide high-purity vulcanizing gums, tie gum sheets, and cold bonding cement designed to match our EP/NN belts. This ensures hot or cold splices achieve optimal tensile strength and durability, helping prevent premature joint failure on site.
| Service Element | Operational Scope |
|---|---|
| Planned Inspections | Ultrasonic cover wear thickness measurements, belt tracking audits, splice inspection, and troughing efficiency checks. |
| Joint Bonding Support | Supply of high-strength hot vulcanizing tie gum and cover compound panels matched to belt carcass profiles. |
| Safety Stock Management | Warehousing agreements and logistics planning to maintain safety stock levels for critical conveyor routes. |
| Emergency Repairs | Supply of fast-cure cold bonding compounds and rip-repair fasteners to restore operation quickly after tearing. |
Our conveyor belts are utilized in demanding conditions by major heavy industrial groups, proving their reliability across mining, metallurgy, and cement production.

Taihang Steel Conveyor Line

Zijin Mining Ore Transport

Jidong Cement Clinker Feed

Jinmei Coal Processing Plant
How Hebei Boao Rubber is adapting its technology to meet changing industrial demands, focusing on eco-friendly materials, energy efficiency, and predictive diagnostics.
Our research and development division is working to incorporate bio-based curing resins into cover formulations. This helps lower volatile organic compound (VOC) emissions during vulcanization without reducing the physical properties of the rubber. In addition, we are expanding our recycling programs to process factory trimming waste into vulcanized industrial matting, helping minimize waste sent to landfills.
To support preventative maintenance, Boao is developing smart conveyor belts embedded with thin-film copper sensor loops. If a foreign object pierces the belt and starts tearing the carcass, the loop breaks, triggering an automatic shut-off signal to the system PLC. This helps limit damage and saves on replacement costs.
Complete product selection including chemical resistant, heat resistant, steel reinforced, and patterned conveyor belts for major industries.
Common questions from system engineers and procurement professionals, with answers focused on conveyor selection, specifications, and manufacturing standards.