2. Different working methods. The production company will mark on the back of the product package: A- XXX company produces, B- XXX company manufactures/produces, and C- XXX company manufactures. The production of A here means that the relevant rights of the product belong to the company, and the product is developed and designed by the company, but not necessarily produced by itself. Generally, item A is followed by item B. The companies of A and B may be different or the same. Item c will not be repeated here. A copyright company is the legal owner of the right to copy computer programs, literary works, musical works, photos, movies and so on. Copyright is usually considered to belong to the author unless it is transferred to another party.