TECHNI PREFA • 土木工程承包商，未作特殊说明的,THOUARS

NAF Rev.2 (FR 2008) : Manufacture of concrete products for construction purposes (2361Z)

Conventions Collectives : 2i - Convention collective nationale des industries de carrières et matériaux de construction (3249)

NACE Rev.2 (EU 2008) : Manufacture of concrete products for construction purposes (2361)

国际标准行业分类版本4 : Manufacture of articles of concrete, cement and plaster (2395)

NACE Rev.2.1 (EU 2025) : Manufacture of concrete products for construction purposes (2361)