Company
Changsha VIBO New Materials Co., Ltd. is based in the Liuyang National Economic and Technological Development Zone, Changsha, and specialises in metal-matrix wear-resistant composites. The portfolio covers vacuum-brazed bimetallic composites, cast bimetal, high-chromium and Ni-hard irons, tungsten carbide and ceramic-inserted castings — serving mining, quarrying and aggregates, oil sands, steelmaking, power generation, cement, dredging and ports, sugar milling, recycling, pulp and paper, and coal.
For a buyer, the value of a wear part is not its unit price but the total cost of wear life against replacement downtime. That comes down to how well wear-layer hardness and matrix toughness are matched — the process knowledge this company has built over more than twenty years.
Technology
Vacuum-brazed bimetallic composite is the core technology: a high-hardness wear alloy layer is metallurgically bonded to a tough low-carbon steel backing under vacuum. This resolves the conflict a single material cannot — high hardness and weldability at the same time — retaining both the wear and corrosion resistance of the alloy and the mechanical properties of mild steel.
- Adjustable construction: composite layer thickness, block segmentation and backing grade tuned to wear direction and impact severity.
- Fully in-house: every process step is carried out internally, keeping lead time and quality under control.
- Single-pour capacity: above 10 tonnes, enabling large-section cast composite parts.
Products and duty
Four families map to different wear mechanisms: vacuum-brazed bimetallic blocks for severe abrasive duty in crushing, screening and cane cutting; cast bimetal parts for large-section components of complex shape; high-chromium and Ni-hard iron parts for high-stress abrasion; ceramic-inserted castings for high-wear points with fine abrasive and moderate impact.
Typical duty points include bucket protection, concave segments, mill liners, cane-cutting edges, blast-furnace chutes and dredge pipes.
Manufacturing and delivery
The site covers 100 acres with 55,000 m² of workshop space and more than 300 employees, generating annual output value above CNY 300 million. Capacity for bimetallic composites and other wear parts exceeds 18,000 tonnes per year, with the flagship “Doubletuff” wear-block line contributing over 10,000 tonnes. More than 5,000 standard patterns are held in stock tooling, and standard lead time is held within 30 days.
Equipment includes 500 / 1,000 / 1,500 / 2,000 / 2,500 kg medium-frequency induction furnaces, vacuum brazing and heat-treatment furnaces, shot-blasting machines, CNC machine tools, surface grinders, coated-sand and sodium-silicate sand lines, shell moulding machines, stud welders, vertical and horizontal saws and milling machines, drilling machines, hydraulic presses, wire EDM, flame and plasma cutting, and tungsten carbide hardfacing machines.
Quality and R&D
Certified to ISO9001, ISO14001 and ISO45001, with full-process quality control under the ISO9001 system. Six laboratories are equipped with benchtop and portable spectrometers, carbon/sulphur analysers, universal testing machines, hardness testers, ultrasonic flaw detectors, metallographic microscopes, high/low-temperature impact testers and an ASTM-G65 simulated wear tester, so key indicators can be verified in-house with reports issued per batch.
The company is a Chinese standard-setter for vacuum-brazed bimetallic composites and works with the State Key Laboratory of Central South University. A high-tech enterprise since 2015, it holds 15 invention patents plus utility models and is recognised as a national “Specialized, Refined, Differential and Innovative Little Giant”.
[To be confirmed: year of establishment, share of R&D staff, number of export markets]