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Engineered to replace heavy steel re bars, these advanced composites provide superior thermal, mechanical, and electrical insulation for modern NEV battery systems.
A non-woven thin sheet engineered to provide a smooth, resin-rich surface layer for fiber-reinforced plastic battery housings, enhancing chemical and corrosion resistance.
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High-performance basalt fiber mesh providing superior reinforcement for concrete charging pads and substations where high alkali and electromagnetic resistance are required.
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High-density thermal insulation material manufactured by mechanically bonding continuous basalt fibers. Ideal for fire-blocking barriers in EV battery packs.
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Engineered by twisting multiple continuous filaments to enhance mechanical strength and processing stability for industrial weaving and high-temperature EV sewing.
Read MoreThe global transition toward electrification has placed New Energy Vehicles (NEVs) at the forefront of the automotive revolution. At the heart of every NEV lies the battery pack—a heavy, high-voltage component that demands uncompromising structural integrity, crash safety, and thermal management. Historically, structural designers relied heavily on traditional metal assemblies, including steel re bars and heavy steel frames, to reinforce the protective enclosures of these battery modules. Steel re bar has long been the benchmark in construction and heavy engineering due to its high tensile strength and familiarity.
However, the commercial reality of the EV market introduces a critical conflict: weight versus range. Every kilogram added to the structural frame of an EV decreases its battery range and overall efficiency. Furthermore, traditional steel re bar and metal frames present severe challenges inside high-voltage battery enclosures, including electrical conductivity, susceptibility to chemical corrosion from battery electrolytes, and high thermal conductivity which can accelerate thermal runaway propagation. Consequently, the automotive and materials engineering sectors are actively seeking advanced alternatives that deliver the mechanical strength of steel re bar without its physical drawbacks.
Today, the industrial landscape is shifting toward fiber-reinforced polymer (FRP) composites—specifically Basalt Fiber Rebar. Derived from natural volcanic rock, basalt fiber composite bars match or exceed the tensile strength of high-grade steel re bar while weighing up to 75% less. They are entirely non-conductive, offering absolute electromagnetic and electrical isolation, which eliminates short-circuit risks within the battery pack. Furthermore, basalt composites possess excellent thermal stability, operating efficiently in temperatures ranging from -260°C to over 700°C, acting as an integrated safety barrier during thermal events.
During a side-impact collision, the battery pack is highly vulnerable to deformation, which can puncture individual cells and lead to catastrophic thermal runaway. To prevent this, battery enclosures require robust anti-intrusion beams. While steel re bars and structural steel tubes were previously used, basalt fiber composite rebars and profiles are now integrated into the battery cover and base plates. These composites absorb high impact energy through progressive crushing rather than plastic deformation, protecting the delicate cells within.
Modern NEVs utilize complex sensor arrays, battery management systems (BMS), and wireless communication modules. Metallic reinforcements like steel re bar can generate electromagnetic interference (EMI) or eddy currents under high-voltage operations. Basalt fiber composite bars are completely transparent to radio frequencies and electromagnetic fields. This makes them the ideal structural reinforcement for battery housing components close to critical electronic controllers and high-power busbars.
The application of reinforcement extends beyond the vehicle itself to the supporting infrastructure. Ultra-fast charging stations and wireless induction charging pads generate massive electromagnetic fields. Utilizing traditional steel re bar in the concrete foundations of these pads leads to inductive heating and energy loss. By replacing steel with non-magnetic basalt fiber rebar, operators ensure maximum power transfer efficiency, zero rust degradation from outdoor exposure, and a significantly extended infrastructure lifespan.
China Beihai was founded in 2015 and is located in Jiujiang, Jiangxi Province. As a high-tech enterprise focusing on the research, development, production, and sales of high-performance basalt continuous fiber and its production equipment manufacturing, China Beihai stands as a leading enterprise in the domestic basalt fiber industry.
By leveraging state-of-the-art manufacturing facilities and deep material science expertise, we bridge the gap between heavy industrial reinforcement requirements and modern high-tech demands, particularly in green energy, infrastructure, and advanced automotive applications.
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At China Beihai group, we specialize in the production of a wide range of products including basalt fiber mat (Basalt fiber chopped strand mat, Basalt fiber cloth), basalt fiber roving, basalt fiber yarn, basalt fiber chopped strands, and basalt fiber products (Basalt Fiber rebar, basalt fiber sleeves, and tape). Our products are designed to meet the diverse needs of various industries, providing high-quality solutions for our customers.
At China Beihai group, we are dedicated to the production of a wide array of basalt-based products, ranging from basalt fiber mat, fabric, and roving to chopped strand and specialized construction materials. Our focus is on delivering high-quality, sustainable solutions for industries such as construction, geotechnical engineering, and manufacturing. With a commitment to innovation and excellence, we strive to cater to the unique requirements of our clients by offering a comprehensive selection of basalt-derived products.
Choosing to work with China Beihai means working with a leading manufacturer of basalt products. Our commitment to quality, innovation and sustainability sets us apart, ensuring our customers receive best-in-class solutions for their diverse needs. Reliability and customer satisfaction, we offer a wide range of high-quality basalt materials and construction products, backed by our dedication to excellence and industry expertise. When you partner with China Beihai, you can trust that you are working with a reliable and forward-thinking partner. A thought supplier for all your basalt product needs.
As automotive manufacturers target net-zero carbon footprints across their entire supply chain, the carbon intensity of manufacturing materials is under intense scrutiny. Traditional steel re bar production is highly energy-intensive and carbon-heavy. In contrast, basalt fiber is produced by melting abundant volcanic basalt rock using clean electric furnaces, resulting in a significantly lower environmental impact. This alignment with circular economy principles makes basalt composites highly attractive to eco-conscious automotive brands.
Furthermore, the development of intelligent transportation systems and autonomous driving infrastructure will require smart highways and inductive charging grids. These systems rely on embedded sensors that cannot operate effectively in concrete reinforced with steel re bar due to signal blockage. Basalt fiber rebar offers electromagnetic neutrality, ensuring seamless signal transmission for vehicle-to-infrastructure (V2I) communications. Over the next decade, we project a compound annual growth rate (CAGR) of over 15% for advanced composite rebars within the automotive and green energy infrastructure sectors.
From deep-sea engineering to high-voltage EV battery cells, our basalt fiber innovations resolve complex engineering challenges where traditional metals fail.
Providing structural reinforcement and protective casing elements for high-capacity industrial energy storage and mobile battery enclosures.
In the aerospace and aviation sectors, basalt fibers are ideal for manufacturing lightweight aircraft wings, structural panels, and engine components.
Utilized in spacecraft shell materials, thermal protection systems, and high-temperature-resistant components of aircraft propulsion systems.
Basalt-reinforced concrete offers increased strength, crack resistance, and chemical durability for charging stations and heavy industrial zones.
Meeting the demands of automotive lightweighting with basalt fiber composites used in bumper beams, floor panels, and battery frames.
Reinforcing critical marine and transport structures against vehicle collisions, fire, chemical corrosion, and environmental weathering.
Leveraging the unique corrosion resistance of basalt composites for chemical containment tanks, pipeline wraps, and processing plants.
Providing lightweight, high-strength, acid-and-alkali-resistant composite components for modern shipbuilding and deep-sea platforms.
As drones slice through the sky to monitor wildfires, and intelligent robots execute repetitive tasks with precision on the factory floor, the efficient operation of this smart equipment is often underpinned by a "hardcore support" that is easily overlooked: a novel material derived from volcanic rock—basalt fiber. Though unassuming in appearance, its unique properties have made it the key to unlocking the performance limits of drones and robots, quietly driving a materials revolution within the realm of intelligent equipment. Produced by melting natural basalt rock at temperatures ranging from 1,450°C to 1,500°C and drawing it into fibers, this novel inorganic material boasts a multitude of advantages—including lightweight strength, weather resistance, corrosion resistance, and eco-friendliness.
Basalt fiber is an inorganic fibrous material produced by drawing strands from natural basalt ore after it has been melted at high temperatures. It has garnered widespread attention for its exceptional physicochemical properties—particularly its performance in extreme thermal environments.
Recently, with the successful realization of major applications—such as the Chang'e-6 lunar exploration mission and the world's first deep-sea basalt fiber aquaculture platform—basalt fiber is rapidly accelerating its transformation into a strategic new material.
