not merged. Tax registration certificate National tax and local tax are generally handled separately. Of course, there is only one seal on a tax registration certificate. Some local governments and local taxes jointly apply for tax registration certificates, and a tax registration certificate is stamped with the official seals of the State Taxation Bureau and the Local Taxation Bureau. Your company has only stamped a seal, indicating that your local taxes have not been jointly applied for tax registration certificate.
finally, it is stated that the national and local taxes have not been merged, so you can consult the local state taxation bureau or local taxation bureau.