Does the cooperation letter issued by Guangzhou Taxation Bureau need to be stamped by the Social Security Bureau?

Need. If the letter of cooperation issued by Guangzhou Taxation Bureau needs to be sealed by the Social Security Bureau, the tax bureau will seal it and bring it back to the Social Security Bureau to continue the business. Guangzhou, referred to as Guangzhou and Huacheng for short, is the capital, sub-provincial city, national central city, megacity, international metropolis, international business center and international comprehensive transportation hub of Guangdong Province.