Ocean Star Technology Group Limited, an investment holding company, designs, manufactures, and sells lingerie products in the People’s Republic of China, Macau, and Hong Kong. The company operates through Lingerie Products and Others segments. It offers bras, panties, body shaping underwear, and chest support vests, as well as breast cream, swimwear, bras straps and pads, and waist bands. The company is also involved in the provision of beauty and lingerie alteration services; retail sale of lingerie products; provision of agency services; and money lending business.