T/HNNTXH 04-2023
Qualification level of industrial and commercial circulating water treatment service institutions (English Version)

Standard No.

T/HNNTXH 04-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Group Standards of the People's Republic of China

Latest

T/HNNTXH 04-2023

Scope

This standard specifies the general principles and requirements for the assessment of qualification levels of industrial and commercial circulating water treatment service organizations. This standard is applicable to the classification and assessment of institutions that provide circulating water treatment services for buildings, structures, equipment and facilities.

T/HNNTXH 04-2023 history

• 2023 T/HNNTXH 04-2023 Qualification level of industrial and commercial circulating water treatment service institutions