you do not need visa to HK for up to 14 days and Macao for 30 days. But you are required to apply for a visa to Guangzhou in India through Chinese Visa Application Service Center. The fee for a single entry visa is Rs 2610. It takes 4 working days for processing. The requirements are as follows:
1. Original passport valid for more than 6 months with sufficient blank visa pages and Photocopy of personal data page of your passport.
2. One completed Visa Application Form with a recently-taken passport photo;
3. Proof of sufficient finances to cover all expenditures in China when requied.
4. Confirmed return flight ticket and its photocopy.
5. Covering letter from your company or office.