Manufacturing & Quality
From crushing and screening, ball milling, wet-pan mixing and automatic batching to pressing and tunnel-kiln firing, production runs in our own plant in Xinmi, Henan.
Two automatic tunnel kilns
One 100 m high-temperature and one 80 m medium-temperature kiln.
Two automatic batching plants
Fully automatic batching, run from a central control room.
Third-party testing
Test report No.20192802 (2019) from the National Quality Supervision & Inspection Center for Refractories.
50,000 t annual capacity
Company-stated annual capacity of more than 50,000 tonnes.
Test reports, patents and registrations
We publish only documents that can be verified. Each test report states the issuing body, its accreditation, the report number and the date.
Third-party test report
Test report: special corundum composite brick (JX-SN)
- National Quality Supervision & Inspection Center for Refractory Materials (Luoyang)
- CMA 180021110240 · CNAS L1358
- Report No. 20192802 · 2019-05-23 · entrusted test, valid for the submitted samples only
Utility model patent
CN220428775U
- Reinforcing device for the production of special corundum composite bricks
- Granted 2024-02-02
Invention patent application
CN119330691A
- Lightweight corundum-mullite hollow-sphere brick
- Published 2025-01-21, under examination
Management systems
ISO 9001 · ISO 14001 · ISO 45001 · ISO 50001
- Quality, environmental, occupational health & safety and energy management systems (as stated by the company)
Business licence
Unified social credit code 914101837374262252
- Established 2002-04-15
Test report: special corundum composite brick
Entrusted test by the National Quality Supervision & Inspection Center for Refractory Materials in 2019 on three shaped samples. Full results are on the JX-SN product page.
Report cover and page 1 (archived website images, watermarked)
Testing standards
How our data tables are written: each row gives the test method, condition and unit, and separates Spec from Typical values.
Abbreviations
- BD
- Bulk density, g/cm³
- AP
- Apparent porosity, %
- CCS
- Cold crushing strength, MPa
- RUL
- Refractoriness under load, ℃ (T0.5 or T0.6 stated)
- PLC
- Permanent linear change on reheating, % (temperature and dwell stated)
- TS
- Thermal shock resistance, cycles (temperature and quench stated)
- TC
- Thermal conductivity, W/(m·K) (method and temperature stated)
Patents
Utility model · Granted 2024-02-02
Reinforcing device for the production of special corundum composite bricks
CN220428775U
Invention application · Published 2025-01-21, under examination
Lightweight corundum-mullite hollow-sphere brick and its preparation method
CN119330691A