Golden Rock

Name

Golden Rock

Legal name

安徽金岩高岭土新材料股份有限公司

Website

https://grkaolin.com

Company type

Public

Founded year

2012

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Industrial Minerals & Refractory Materials

NAICS

Kaolin, Clay, and Ceramic and Refractory Minerals Mining (212323), Ground or Treated Mineral and Earth Manufacturing (327992), Clay Building Material and Refractories Manufacturing (327120)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Kaolin & Industrial Clay Mining (Bentonite, Ball Clay, Fuller’s Earth) (IMAKAGAJ)

akta.pro secondary industry

Kaolin & Ball Clay (IMAEAFAB)

Keywords

• Calcined kaolin production
• Mullite precision casting materials
• Refractory granular materials
• Coal-based kaolin processing
• Industrial mineral manufacturing

Headquarters

HQ city

Huaibei

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Mullite Materials for Precision Casting: Production and sale of mullite sand and powder for precision casting applications. Products include mullite precision casting sand and mullite precision casting powder, used in carbon steel, stainless steel, heat-resistant steel, and aluminum/titanium alloy investment casting.
2. Mullite Materials for Refractory Applications: Production and sale of refractory-grade mullite materials including raw ore, calcined kaolin, refractory granular materials, and fully natural calcined mullite for metallurgy, building materials, chemical, and military industries.
3. Kaolin Raw Materials: Sale of raw kaolin ore and kaolin raw powder for rubber, paint, ceramic glaze, high-voltage porcelain, chemical carriers, refractory materials, and other applications.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Golden Rock mines and processes coal-based kaolin from the Huaibei mining area and converts it into calcined kaolin, mullite precision casting sand and powder, fully natural calcined mullite, and refractory granular materials. These products are sold to precision casting companies for investment casting mold shells and to refractory manufacturers serving metallurgy, building materials, chemical, and military end-markets. Annual processing capacity reached 340,000 tons as of May 2025, with new 300,000-ton precision casting mullite and 200,000-ton phase conversion lines commencing commercial production in January 2025.

Product overview

Golden Rock Kaolin New Materials Co., Ltd. operates as a specialized materials manufacturer offering a portfolio of coal-based kaolin products. The product portfolio includes raw kaolin ore and kaolin raw powder (raw materials), fully natural calcined mullite and refractory granular materials (refractory applications), and mullite precision casting sand and powder (core precision casting products). The company's core competitive products are its mullite-based precision casting materials used in investment casting processes for aerospace and industrial applications. In 2025, the company expanded production capacity with new 300,000-ton and 200,000-ton production lines.

Differentiator

Problem solved

Functional benefit

Brands

• 金岩牌 (Jinyan Brand): Mullite precision casting sand and powder products branded under '金岩牌', known in the industry as a household name with approximately 20% market share in domestic silica sol precision casting market.

Products and services

• Kaolin Raw Ore (高岭土原矿) Raw kaolin ore extracted from the Huaibei mining area, with proven reserves of 340 million tons in the Zhahe coal field. Kaolinite content above 95% with SiO2/Al2O3 molar ratio close to the theoretical value of 2.0; suitable for further processing into refractory, paper, coatings, rubber, plastics, ceramics, paint, ink, and fiberglass products.
• Kaolin Raw Powder (高岭土生粉)

Quantifiable outcome

• Market share in precision casting mullite materials: 19.1% (2024, #1 in China)
• +3 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Universities and Research InstitutionscoreStrategic or Co-development PartnerEstablished industry-academia-research integrated cooperation with multiple universities and research institutions for technology development, talent cultivation, and R&D collaboration in kaolin processing and applications.

Scale indicators8 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Quarzwerke GmbH: European producer of industrial minerals including kaolin and refractory raw materials serving foundry, ceramics, and high-temperature industrial customers. Comparable as a vertically integrated specialty industrial minerals producer with overlapping end-markets.
• Active Minerals International: Producer of specialty kaolin and other industrial minerals for coatings, construction, and specialty industrial applications. Comparable as a focused specialty kaolin supplier serving similar industrial customer segments.
• KaMin LLC: Major North American producer of high-quality kaolin for performance and industrial applications including coatings, plastics, and specialty uses. Comparable as a pure-play kaolin supplier focused on differentiated industrial grades.
• Thiele Kaolin Company: Established U.S. kaolin producer serving industrial applications including paper, paint, rubber, and specialty uses. Directly comparable as a focused kaolin miner and processor serving similar industrial product markets.
• Sedlecký Kaolin: Czech-based kaolin producer supplying ceramic, paper, paint, and industrial applications globally. Comparable as a focused kaolin miner-processor with overlapping industrial kaolin end-uses.
• Imerys: Global leader in specialty mineral-based solutions with a major kaolin business serving industrial applications including refractories and casting. Directly comparable as a vertically integrated kaolin miner and processor serving overlapping industrial end-markets.
• Sibelco: Global industrial minerals group with significant kaolin operations supplying refractory, casting, and ceramics customers worldwide. Comparable as a diversified specialty minerals player competing for similar industrial mineral demand.

Broad incumbents

• RHI Magnesita: Global leader in refractory products and solutions serving steel, cement, glass, and high-temperature industries. Comparable as a downstream buyer of refractory-grade raw materials and a competitor for end-customer refractory specifications.
• HarbisonWalker International: One of the largest North American manufacturers of refractory products and services for heavy industries including steel, glass, and cement. Comparable as a downstream customer/competitor that consumes similar refractory feedstocks and competes for end-market specification.
• BASF SE: Global chemical giant with a performance materials portfolio that includes specialty kaolin and industrial mineral offerings. Comparable as a broad incumbent with overlapping specialty mineral capabilities, though its focus spans a much wider product portfolio.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Golden Rock