about basic
2006
2004
2001

in 2006, we participated in the revision of town construction standard from ministry of construction “heat meter”cj 128-2007.

in 2004, we participated in the establishment of standards of town construction from theministry of construction “condition of transmitting data from meter in households”cj/t188-2004.

in 2001, we participated in the establishment of national measurement verification regulation“thermal energy meter”jjg225-2001.

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