Overview
| brand | China Steel National Inspection | Industry type | Performance testing |
| Test name | Acoustic detection | Testing standards | GB/T 20247-2006, GB/T 19889.3-2005, GB/T 3222.1-2006 |
| Detection range | Soundproofing screen, floor impact soundproofing detection, fireproof soundproofing door, soundproofing glass, soundproofing curtain | Testing items | Weighted sound insulation, noise reduction coefficient, average sound absorption coefficient |
| Detection type | Metal material testing | Testing qualification | CMA, CNAS |
| Company strength | High authority, national level | Detection category | Entrusted testing |
| Detection method | Mailing samples and on-site sampling | Test report | 3 copies |
| Detection cycle | 7 days | Service scope | nationwide |
| Sample quantity | Determined based on testing items | Company Name | Zhonggang Group Zhengzhou Metal Products Research Institute Co., Ltd. Hebei Xiong'an Branch |
Product Details
Trading Area
Global