Recognition & honours
- National High-Tech Enterprise2023
- Awarded for R&D capability and technology transfer in casting and machining.
- Hebei Specialised, Refined, Distinctive & Innovative SME2024
- Valid until 28 March 2027.
- Technology-Based SME2023
- Certificate no. SKX202312J1560037, issued by the Hebei Department of Science and Technology; valid three years.
- Green Foundry Demonstration Enterprise2018
- Honour certificate from the Hebei Foundry Industry Association, October 2018.
Certificate scans
The documents behind the list above, exactly as issued. Click a certificate to enlarge it.
National High-Tech Enterprise Certificate
Hebei Technology-Based SME Certificate
Green Foundry Demonstration Enterprise
Quality Management System Certificate
Pollutant Discharge Permit
The key certificates are published above as scans. Other documents, translations or notarised copies can be provided on request during supplier qualification.
Compliance & credit
- ISO 9001:2015 / GB/T 19001-2016
- Quality management system certificate no. 785Q1250263R1M, issued 6 September 2025 by Tianjin Zheng Tong Gong Xin Certification Co., Ltd., valid until 5 September 2028.
- A-grade taxpayer credit, 2019–2024
- Six consecutive years at A grade.
- Pollutant discharge permit
- Reissued 10 April 2026 by the Cangzhou Administrative Approval Bureau, valid until 9 April 2031 (certificate no. 91130981784093371Y001C).
- Clean record
- No administrative penalties, no abnormal-operation listing, no environmental violations, no unpaid-tax notices.
- Import & export credit registration
- Registered for self-operated import and export since 31 October 2023.
Patents
13 granted patents, concentrated on wear-resistant castings, counterweights, gear-ring blanks and lost-foam coating equipment. A selection:
| Patent | Publication no. | Granted |
|---|---|---|
| Wear-resistant, stackable casting blank | CN223924500U | 2026-02-17 |
| Wear-resistant gear-ring casting blank | — | 2025-12-06 |
| Wear-resistant tower-crane hook counterweight | — | 2025-12-02 |
| Positioning fixture for counterweight machining | — | 2025-04-29 |
| Cutting device for casting machining | — | 2023-12-26 |
| Device for rapid drying of lost-foam coating | — | 2023-03-24 |
| Lost-foam coating recovery device | — | 2023-03-21 |
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