Brand of building materials (Antisepticote, Floor Enamel, Waterproof Paste) advertised in the North China Daily News. Manufacturer by the American Detroit-based company TRUSSED CONCRETE STEEL COMPANY and distributed in Shanghai by the Canton-based global company ARNHOLD, KARBERG & CO. as early as 1914, in parallel with two other brands "RIB BAR" and "HY-RIB".