Mrs. Celiz, you should apply for Training Visa of Hong Kong
Training Visa is issued to applicants who desire to go to HK to receive professional training or other training courses. The following additional documents are required besides the basic requirements:
a. One copy of the sponsor's HK ID and the sponsor's telephone number;
b. Training contract between trainer and trainee;
c. Documents of training program in details.
You may submit the application to the Consular office of the Embassy of the People's Republic of China in the Philippines in person or through an authorized travel agency. You may also make the application directly to HK Immigration Department

it will take about one month because the application requires HK Immigration Department 's assessment