Which listed company produces insulation materials with a fire rating of A?

A1 Class Fireproof Super Insulation

Nanyang Yintong - Yintong Technology - Yintong Group - YT Active Materials - Inorganic Active Wall Insulation Materials - Inorganic Insulation Materials | Exterior Wall Insulation Materials | Inorganic insulation mortar Yintong YT inorganic active wall insulation materials | exterior wall insulation | wall insulation | Class A fire protection | Class A non-combustible | Class A fire protection | Non-combustible Class A