Once. The inquiry website shows that the contract that is signed on the guarantee contract and meets the requirements for the contract to take effect is valid. The loan guarantor of the Agricultural Bank of China can sign it once. If both parties have not changed, there is no need to sign it again. Agricultural Bank of China is a large listed bank with international public shareholding, and it is also one of the four largest banks in China. Originally established in 195 1, it is the first state-owned commercial bank established in new China. Headquartered in Beijing, it is also an important part of China's financial system. Its business scope: loans, local and foreign currency combinations, and can handle various international and domestic financial businesses.