All CE attestations cover the Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU and EMC Directive 2014/30/EU, verified against EN 60204-1, EN ISO 12100 and EN ISO 13849-1. In addition, every system is factory acceptance tested with video and written report before shipment.
XINRUI operates under an ISO 9001 certified quality management system, and is recognised as a Jiangsu Private Science & Technology Enterprise and a Technology-based SME.
Core PSA engineering is developed and protected in-house. Selected granted utility model patents ( State Intellectual Property Office, CNIPA ):
| Patent title | Patent No. | Granted |
|---|---|---|
| A nitrogen generator adsorption tower | ZL 2024 2 2656690.8 | 2025-10-17 |
| A PSA nitrogen generation device | ZL 2024 2 2651116.3 | 2025-10-17 |
| A pressure swing adsorption nitrogen generator | ZL 2024 2 2956122.X | 2025-10-21 |
Further utility model patents granted in 2025–2026 (certificate gallery):
The group also holds registered software copyrights for its PSA control and monitoring systems. Patent and certificate documentation is available on request for tender and project submissions.
CE attestations, material certificates and patent documentation can be included in tender submissions. Tell us your project requirements and we will prepare the full document package.
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