Richina Development Limited, established in 1987 in Hong Kong, is engaged in the manufacturing and trading of apparel products, technical textile materials, industrial bearings, and chemical products. The company operates in sectors including chemicals, building and construction materials, and personal protective equipment (PPE). Products traded include T-shirts, singlets and other vests of cotton, knitted or crocheted, shirts of cotton, knitted or crocheted, jerseys, pullovers, cardigans, waistcoats of textile materials, mechanically bonded fabrics of glass fibres, needle roller bearings including cage and needle roller assemblies, and calcium hypochlorites.