Zantat Holdings Bhd. is an investment holding company, which engages in the production of calcium carbonate, namely GCC and CC dispersions. It is also involved in producing kaolin dispersion, processing ultrafine PCC powder, trading other industrial minerals, and sales of limestone quarry products. It operates through the following segments: Production, Bioplastic, and Others. The Production segment focuses on the production of ground calcium carbonate, calcium carbonate dispersion, and kaolin dispersion. The Bioplastic segment is involved in the manufacturing of bioplastic compounds and packaging products. The Others segment refers to the business of trading in other industrial minerals, sales of limestone quarry products, and bioplastic compounding. The company was founded by Hup Ooi Chan and Ah Soon Teh in 1985 and is headquartered in Kampung Kepayang, Malaysia.