The trademark registration fee is 3 yuan each, and it will definitely be more expensive to find an agency, about 1, yuan each. However, the first pass rate of self-registration is not so high, and the protection time of the trademark itself is 1 years. If you register yourself, you can't guarantee to raise objections to other similar trademarks at any time. Chengdu Huantai Intellectual Property Agency, with reasonable price.