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HongtaiMineral extracti
Hotline+86 551 6688 9900
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Exporting since 2001

Trusted by buyers in 22 countries

  • Minimum order500 t
  • Packing & loadingBulk · 1 × Handymax
  • CertificationsISO 9001 · SGS · CIQ
Get a QuoteProducts
Filter by categoryHS code2601.11Download full catalogue
Limestone and products
Limestone and products

Metallurgical limestone, construction aggreg…

Dolomite and products
Dolomite and products

Metallurgical dolomite, refractory-grade dol…

Kaolin
Kaolin

Washed and calcined kaolin with high brightn…

Ultrafine powder
Ultrafine powder

Powder from 800 to 3,000 mesh for coatings, …

Construction aggregate
Construction aggregate

Crushed stone, manufactured sand and stone d…

Custom processing
Custom processing

Processing to the customer particle size, br…

Products

A product range built for real scenarios

Every item is validated in real use and can be adapted to your specification.

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Limestone and productsMain line

Limestone and products

Metallurgical limestone, construction aggregate and desulphurisation stone pow…

Dolomite and productsMetallurgy

Dolomite and products

Metallurgical dolomite, refractory-grade dolomite and dolomite powder for stee…

KaolinCeramics and paper

Kaolin

Washed and calcined kaolin with high brightness and even particle size for cer…

Ultrafine powderHigh value

Ultrafine powder

Powder from 800 to 3,000 mesh for coatings, plastics and rubber fillers, with …

Construction aggregateBulk

Construction aggregate

Crushed stone, manufactured sand and stone dust to specification, supplied to …

Custom processingToll processing

Custom processing

Processing to the customer particle size, brightness and chemistry, with trial…

Trade terms

Terms agreed up front

MOQ, lead time, payment terms and port of loading — saves three rounds of email.

Minimum order500 t
Lead time25 – 45 days
Payment termsT/T · L/C at sight
IncotermsFOB · CIF · CFR
Port of loadingTianjin · Lianyungang
HS code2601.11
Packing & loadingBulk · 1 × Handymax
Private label & customisationCustom size · Custom grade
Sample policySample 5 kg, freight collect
QC & inspectionSGS · CCIC · CIQ
How an order runs

From order to arrival, five steps in writing

Each step comes with its timing and documents, so you can plan production and customs.

  1. Order confirmed500 t
  2. Deposit receivedT/T · L/C at sight
  3. Production & QC25 – 45 days
  4. Loading & customsTianjin · Lianyungang
  5. Documents & dispatchCI · PL · CO · B/L
About Us

Hongtai · Mineral extraction and processing

Hongtai mines and processes limestone, dolomite and kaolin from four company-owned quarries and three processing lines, producing 2.6 million tonnes a year for construction materials, metallurgy and chemicals.

  • Client outcomes come first
  • Delivery quality is the baseline, not the goal
  • Long-term thinking over short-term gain
  • We keep sharpening our craft
Learn MoreContact Us
Founded2001
Team860 staff
Scale4 quarries
HQHongtai Buil
Our Work

Selected projects

A look at how we solved problems for clients like you.

Long-term limestone supply to a steel group

Long-term limestone supply to a steel group

860,000 tonnes of metallurgical limestone a year with dedicated transport.

Six years of continuous supply

Desulphurisation powder for a power group

Desulphurisation powder for a power group

Limestone powder for flue gas desulphurisation, delivered to silo.

Desulphurisation efficiency maintained

Kaolin for a ceramics cluster

Kaolin for a ceramics cluster

Washed kaolin supplied to 26 ceramics producers.

Batch brightness variation ≤1.5

Ultrafine filler for coatings

Ultrafine filler for coatings

Surface-modified ultrafine powder developed for coating filler.

Customer cost −12%

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News

Latest updates

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Ultrafine powder line upgrade lifts capacity to 260,000 t302026.07

Ultrafine powder line upgrade lifts capacity to 260,000 t

The upgrade raises the share of 3,000-mesh product and tightens the particle s…

2026-07-30
Two quarries pass annual green mine review162026.05

Two quarries pass annual green mine review

Reclamation and dust control indicators were both rated excellent.

2026-05-16
Sector notes: three ways to add value in industrial minerals142026.04

Sector notes: three ways to add value in industrial minerals

Ultrafine grinding, surface modification and functional composites — where the…

2026-04-14
FAQ

Things you may want to know

Still have questions? Contact us — we reply within one business hour.

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Which regions do you cover?

We serve clients nationwide and handle cross-region delivery. Tell us your location and requirements and we will assign the right team.

How do I get a quotation?

Send us your requirement, quantity and delivery expectation through the form or by phone. We issue a formal quotation within 1–2 business days.

Can you provide samples?

Yes. Depending on your requirement we can send samples or arrange a small trial run so you can validate performance in real use.

How is after-sales support handled?

A dedicated after-sales team provides support through the whole service period, with response times stated in the contract.

Can we work together long term?

Yes. We build long-term relationships, and most clients have worked with us for over three years. Annual agreements can fix price, capacity and quality terms.

From resource to material, industrial work done properly

Tell us what you need — we will route it to the right specialist within one business day.　+86 551 6688 9900

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