1. Contact qualified landscaping companies: these companies will conduct irregular recruitment training, and the trainers are all senior landscaping and green chemicals. You can contact your local company to apply.

2. Through training institutions: There are some specialized training institutions in the market that provide green chemistry certificate training and have the function of registration. These institutions have their own official website. You can check the training courses and registration requirements through official website.

3. Labor and Employment Bureau and Vocational and Technical School: Local labor and employment bureaus and vocational and technical schools are also one of the main institutions applying for green chemical certificate. You can go to the local labor and employment bureau to consult the relevant rules and registration process, or you can know the specific situation through the internet, the local education bureau or call the school.

4. Talent agency: Many recruitment websites are recruiting people who are interested in applying for the exam, so that they can pass the exam.

5. Green chemistry certificate is an essential qualification certificate for employees in landscaping industry, which proves that the holder has professional knowledge and skills in greening maintenance. To obtain the certificate of green chemistry, you must pass formal training and examination.