T/HNNTXH 03-2022 Active Group standards

T/HNNTXH 03-2022 Qualification Grade for Cleaning Enterprises of Central Air Conditioning and Ventilation Systems

T/HNNTXH 03-2022

Publish Date: 2022-08-21 Implement Date: 2022-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HNNTXH 03-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The company's (enterprise's) services

Publish Date: 2022-08-21

Implement Date: 2022-09-01

Scope

Scope: This document specifies the terms and definitions, the classification of capability levels and the conditions for each level, and the application and evaluation process for capability levels in the assessment of qualification grades for central air-conditioning ventilation system cleaning enterprises. This document applies to the management of qualification grades for central air-conditioning ventilation system cleaning enterprises. Main technical content: This document specifies the terms and definitions, the classification of capability levels and the conditions for each level, and the application and evaluation process for capability levels in the assessment of qualification grades for central air-conditioning ventilation system cleaning enterprises. This document applies to the management of qualification grades for central air-conditioning ventilation system cleaning enterprises.