According to Article 15 of the Law of People's Republic of China (PRC) on Tax Collection and Management, your company's branches in the same area should also apply for tax registration. If a branch company obtains an organization code different from that of the head office in the technical supervision department, the tax authorities will issue a tax registration certificate for it; If the organization code of the branch is the same as that of the head office, the tax authorities will issue a registered tax registration certificate for it.