Tian Chang Group Holdings Ltd., an investment holding company, engages in manufacturing and sales of electronic cigarettes; medical consumable; and integrated plastic solutions in Hong Kong and in the People’s Republic of China. It operates through three segments: Integrated Plastic Solutions, E-cigarettes Products, and Medical Consumable Products. The Integrated Plastic Solutions segment designs, manufactures, and fabricates plastic injection moulds and plastic components, such as printer, copier, and air-conditioner parts; breathable office chair backs and accessories; engine covers and dashboards for automobile components; routers; camera and mobile power banks; and PET products. The E- cigarettes Products segment engages in the manufacture and sale of disposable and refillable e-cigarettes, battery rods, clearomisers, liquidpods, and heated tobacco devices as an original equipment manufacturer.