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Regarding Our Company’s Official Statement

Regarding Our Company’s Official Statement

22

2026

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05

A standardized plant layout tailored to the production characteristics of boron carbide strengthens the foundation for continuous, stable operations.

A standardized plant layout tailored to the production characteristics of boron carbide strengthens the foundation for continuous, stable operations.

The complete production process for boron carbide encompasses multiple stages, including high‑temperature smelting, coarse crushing, fine grinding, multi‑stage screening, powder purification, and final product packaging. Each stage imposes stringent, dedicated requirements for spatial zoning, dust containment, moisture‑proof storage, and ventilation and dust removal. A scientifically organized, standardized plant layout serves as the core infrastructural safeguard for preventing cross‑contamination of powders, ensuring product purity, and improving the working environment—making it the unified construction standard adopted by leading manufacturers in the industry today.

22

2026

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05

China’s boron carbide industry is steadily expanding, with Mudanjiang Qianjin Boron Carbide leveraging its Northeast China base to meet diversified market demands.

China’s boron carbide industry is steadily expanding, with Mudanjiang Qianjin Boron Carbide leveraging its Northeast China base to meet diversified market demands.

In 2026, the global boron carbide market is expected to continue growing steadily. Industry data indicate that China, as a major global producer and consumer of boron carbide, will see its output value rise year after year, driven by sustained demand from downstream sectors such as precision grinding, nuclear‑power radiation shielding, lightweight military applications, and semiconductor polishing. On the supply side, the industry exhibits clear segmentation: low‑end, general‑purpose powder capacity remains ample, while there is a persistent supply gap for customized boron carbide products characterized by high purity, stable particle‑size distributions, and consistent batch-to‑batch quality. Consequently, the market is gradually shifting from price‑driven competition to a focus on overall competitive strength.

13

2026

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02

Industry‑wide quality‑control standards continue to rise, and Mudanjiang Qianjin Boron Carbide has upgraded its testing laboratory to establish a closed‑loop quality‑inspection system.

Industry‑wide quality‑control standards continue to rise, and Mudanjiang Qianjin Boron Carbide has upgraded its testing laboratory to establish a closed‑loop quality‑inspection system.

In recent years, regulatory oversight of the domestic superhard abrasive industry has become increasingly standardized. Market regulators routinely conduct random inspections of boron carbide product quality, while downstream enterprises in sectors such as semiconductors, nuclear power, and high-end equipment manufacturing have all established stringent supplier‑qualification criteria. Manufacturers that possess comprehensive, independent testing capabilities and standardized quality‑control processes are better positioned to secure long-term, stable partnerships. As a strategic superhard material, boron carbide’s core performance indicators—such as powder purity, particle-size distribution, free carbon impurities, and hardness—directly determine the machining accuracy of downstream components and the service life of finished products. Consequently, the establishment of robust testing and metrology infrastructure has become an indispensable prerequisite for the industry’s sustainable operation.

12

2025

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07

Letter of Contact Regarding the Name Change of Mudanjiang Qianjin Boron Carbide Co., Ltd.

Letter of Contact Regarding the Name Change of Mudanjiang Qianjin Boron Carbide Co., Ltd.

Dear Partner, Thank you very much for your continued trust and support! Due to business development needs, Mudanjiang Qianjin Boron Carbide Co., Ltd. relocated in its entirety to Shiqian County, Sichuan, on August 15, 2020, and has officially changed its name to Shiqian Baisen Technology Abrasives Co., Ltd. Effective from August 15, 2020, we hereby inform you of the following: 1. As a result of this relocation, your company may have some concerns regarding product quality, service standards, and pricing at Shiqian Baisen Technology Abrasives Co., Ltd. We would like to assure you that, while maintaining the highest product quality, we will offer competitive pricing. For specific details on price concessions, please contact Ms. Huang Qian (General Manager; Tel: 13069799077). 2. Below are the relevant details of Shiqian Baisen Technology Abrasives Co., Ltd.: Company Name: Shiqian Baisen Technology Abrasives Co., Ltd. Unified Social Credit Code: 915118243144104086 Registered Address: Zhuma Industrial Park, Huilong Township, Shiqian County Legal Representative: Mr. Huang Baisen Bank: Agricultural Bank of China, Shiqian County Branch Account Number: 22544101040016478 Bank Identifier Code: 103677554411 Telephone: 0835-8885118 We appreciate your understanding and look forward to continuing our collaboration. Please feel free to reach out if you have any questions or require further information. Sincerely, [Your Name] [Your Position] Shiqian Baisen Technology Abrasives Co., Ltd.

19

2020

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10

Applications of Boron Carbide

Applications of Boron Carbide

Controlling Nuclear Fission Boron carbide can absorb a large number of neutrons without forming any radioactive isotopes, making it an ideal neutron absorber in nuclear power plants. Neutron absorbers primarily serve to regulate the rate of nuclear fission. In nuclear reactors, boron carbide is typically fabricated into control rods; however, to increase surface area, it is sometimes processed into a powdered form. During the 1986 Chernobyl nuclear accident, a frontline aviation regiment stationed in Tuzhuk, Russia, was entirely redeployed east of Chernobyl. Helicopters ranging from Mi-8s to Mi-26s were immediately dispatched for airlift operations. Once the supply of boron carbide was exhausted, ordinary sand was substituted. As the dispersal progressed, flight operations became significantly easier. After helicopters had dropped nearly 2,000 tons of boron carbide and sand, engineers finally declared that the chain reaction inside the reactor had been halted. Ultimately, the total weight transported by helicopter reached 5,000 tons.[1] Abrasive Material Due to its hardness—exceeding that of silicon carbide or tungsten carbide—boron carbide has long been used as a coarse abrasive material. Although its high melting point makes it difficult to cast into artificial shapes, it can be processed into simple forms through high-temperature sintering of powdered material. It is employed for grinding, polishing, drilling, and finishing hard materials such as cemented carbides and gemstones. Coating Material Boron carbide can also serve as a ceramic coating for warships and helicopters, offering lightweight protection while resisting penetration by armor-piercing projectiles and providing a robust protective layer under thermal stress. Nozzles In the arms industry, boron carbide is utilized to manufacture gun nozzles. Extremely hard and wear-resistant, it does not react with acids or alkalis, withstands both high and low temperatures, and tolerates high pressures. Its density is ≥2.46 g/cm³, microhardness ≥3,500 kgf/mm², flexural strength ≥400 MPa, and melting point is 2,450°C. Owing to these superior properties of wear resistance and extreme hardness, boron carbide sandblasting nozzles are gradually replacing conventional nozzles made from cemented carbides, tungsten steel, silicon carbide, silicon nitride, alumina, zirconia, and other materials. Other Applications Boron carbide is also used in the production of metal borides, as well as in smelting processes involving sodium boride, boron alloys, and specialized welding techniques.

27

2018

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03

Physicochemical Properties of Boron Carbide

Physicochemical Properties of Boron Carbide

It does not react with acidic or alkaline solutions and exhibits high chemical stability, neutron absorption, wear resistance, and semiconductor conductivity. It is one of the most acid‑stable materials, remaining stable in both concentrated and dilute aqueous solutions of acids and bases. After treatment with a mixed acid of sulfuric acid and hydrofluoric acid, followed by calcination in air at 800°C for 21 hours, it can be completely decomposed, yielding boron trioxide and diboron trioxide. When certain transition metals and their carbides are present together, it displays exceptional stability. At temperatures between 1000 and 1100°C, transition metals from Groups IV, V, and VI of the periodic table react vigorously with boron carbide powder to form metal borides. In the presence of nitric acid…

27

2018

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03

Properties of boron carbide

Properties of boron carbide

Hard, black, lustrous crystals. Their hardness is lower than that of industrial diamond but higher than that of silicon carbide. They are less brittle than most ceramics. They possess a large thermal neutron capture cross section and exhibit excellent chemical resistance, remaining unaffected by hot hydrofluoric acid and nitric acid. They dissolve in molten alkalis but are insoluble in water and acids. The relative density (d204) is 2.508–2.512. The melting point is 2350°C, and the boiling point is 3500°C.

27

2018

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03

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