Impressive Numbers

Stable Quality Superior Performance

Driven by precision and consistency, THNA Group operates one of Southeast Asia’s largest CaCO₃ production systems — combining advanced technology, sustainable mining, and strict quality control to deliver stable products for every market.

no.1

STONE POWDER SUPPLIER
in Vietnam

1200000

Metric Ton
Production capacity

100

MILLIONS TONS

MARBLE RESERVES

30

Countries
Countries exported

500

Partners
Company customer we have exported
PRODUCTION CAPACITY
Marble reserves
Countries
thna group

machinery and technology

At THNA Group, technology defines our difference. Our plants are equipped with cutting-edge machinery from Germany, Taiwan, and China — ensuring ultra-fine precision, high capacity, and energy efficiency.

01
01

Osokawa Alpine mill - Germany technology
50
50

Grinding mills
20
20

Coating mills
03
03

Shanghai Hydraulic mills
50
50

Grinding mills
about 1
about 2
ABOUT US

TRUNG HAI NGHE AN GROUP

Founded in 2007, THNA Group has become Vietnam’s leading CaCO₃ manufacturer, known for its scale, stability, and innovation.

With 5 licensed quarries (117 hectares, 100 million tons reserve) and 3 modern plants totaling 1.2 million tons per year, we ensure a seamless, fully controlled production chain.

Our integrated system—from mining and grinding to coating and logistics—enables consistent quality and reliability, serving customers in over 30 countries worldwide.

MORE ABOUT US

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Explore

Capabilities and Advantages

THNA Group integrates every stage of production — from pure limestone mining to ultra-fine grinding, coating, packaging, and export logistics. Our comprehensive system ensures full control over quality, consistency, and delivery speed, enabling us to serve global markets with confidence.

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Mining

Mining

THNA Group operates 5 white limestone quarries with reserves over 100 million tons, ensuring pure, consistent raw materials.
Factories

Factories

Across 27 hectares, THNA runs 3 modern plants with a total capacity of 1.2 million tons/year, fully automated.
PRODUCTION CAPACITY

PRODUCTION CAPACITY

Powered by German, Taiwanese & Spanish technology, our system delivers stable, ultra-fine CaCO₃ with global standards.
Transportation

Transportation

With 120 in-house trucks and proximity to key seaports, THNA ensures fast, reliable delivery worldwide.
Quality Control

Quality Control

Each batch is verified through 7 QC stages, using advanced testing devices to guarantee uniform quality.
thna group

Our Business

THNA Group operates a fully integrated production chain — from mining and processing to coating, packaging, and logistics. We supply premium CaCO₃ powder, lumps, and granules to meet the diverse demands of global industries.

Powder

Powder
Lump

Lump
Granul

Granul
Exploiting quarry

Exploiting quarry
Video
News

Latest news update

Stay updated with the latest activities from THNA Group — from factory expansion and international exhibitions to team building and community projects. Every milestone reflects our commitment to growth, innovation, and sustainable development in the global CaCO₃ industry.

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Team Building 2025 - Connect - Innovate - Go beyond limits
About companionship & commitment Aug 21, 2025

Team Building 2025 - Connect - Innovate - Go beyond limits
Team Building 2025 - Connect - Innovate - Go beyond limits
About companionship & commitment Aug 21, 2025

Team Building 2025 - Connect - Innovate - Go beyond limits
Team Building 2025 - Connect - Innovate - Go beyond limits
About companionship & commitment Aug 21, 2025

Team Building 2025 - Connect - Innovate - Go beyond limits