Legal analysis: It depends. However, according to the company's articles of association, the company's investment in other enterprises or providing guarantees for others must be decided by the legal person, the board of directors or the shareholders' meeting. However, the signing part depends on how the agreement comes into effect. Some expressions say that "this agreement comes into effect after being sealed by both parties", while the expression "this agreement comes into effect after being sealed by both parties" means that the signature is not necessarily the legal representative.
Legal basis: Article 3 of People's Republic of China (PRC) Company Law is an enterprise legal person with independent legal person property and legal person property rights. The company is liable for its debts with all its property. Shareholders of a limited liability company shall be liable to the company to the extent of their subscribed capital contribution, and shareholders of a limited liability company shall be liable to the company to the extent of their subscribed shares.