Credentials
Certifications, Patents & Trademarks
Jiuding holds internationally recognized certifications, 42 national patents, and 12 registered trademarks — the credentials behind two decades of trusted manufacturing.
CE Certifications (EU CPR / EN 442)
Tested by HEATEST s.r.o. (Notified Body NB 2693, Czech Republic) under EU Regulation 305/2011.
Steel Panel Radiators — 4 types certified (Panel 11, 21, 22, 33), issued February 2024
Steel Column Radiators — 6 types certified (JDDH D/S 5025, JDDH D/S 7015, JDWY CH 22Y, JDWY DHE 6015), issued March 2023
UKCA Certification (UK Market)
Thermal performance validated by BSRIA (Building Services Research and Information Association, UK).
Report 104719/1 — 4 multi-column radiator models (March 2023)
Report 105549/1 — 3 multi-column radiator models (December 2023)
42 National Patents
Granted by CNIPA (China National Intellectual Property Administration). Patent holder: Tianjin Jiuding Yangguang HVAC Co., Ltd.
6 granted design patents — radiator side covers (JD11, JDG1), spiral matrix column, wall bracket, floor stand, end cap (3-column)
2 utility model patents — radiator cover plate system, pressure-adjustable radiator
3 applications pending — tube gap grinding fixture, metal tube flanging structure, end cap (2-column)
2 invention patents + 30 utility models + 10 design patents (42 total, per official records)
12 Registered Trademarks
All Class 11 (heating, lighting, cooling, water supply equipment).
九鼎散热器 (Jiuding Radiator) — No. 71721073, valid to 2033
阳光九鼎 (Sunshine Jiuding) — No. 8464198, renewed to 2031
蒙特利尔 MENGTELAIER (Montrler) — No. 6311833, renewed to 2030
九鼎 (Jiuding) — No. 13502959, renewed to 2035
泛马 FAN MA — No. 15435816, renewed to 2035
ASHAP — registered
一言九鼎 — No. 8464375, renewed to 2031
九鼎仁和 — No. 17329730, valid to 2026
Testing Standards
EN 442-1:2014 — Radiators and convectors: technical specifications
EN 442-2 — Radiators and convectors: test methods and rating
EN 2808 — Paint film thickness determination
ISO 2409:2013 — Paint cross-cut adhesion test
EU Regulation No 305/2011 — Construction Products Regulation