What qualification certificate does the hotel need to purchase carpets?

The qualification certificates required for hotels to purchase carpets are:

1. ISO91 quality management system certification: this is an internationally accepted quality management system certification, which proves that suppliers have certain quality management capabilities and can provide products that meet quality standards.

2. ISO141 environmental management system certification: this is an international environmental management system certification, which proves that suppliers pay attention to environmental protection in the production process and can provide products that meet environmental protection requirements.

3. OHSAS181 Occupational Health and Safety Management System Certification: This is an internationally accepted occupational health and safety management system certification, which proves that suppliers pay attention to the health and safety of employees in the production process and can provide products that meet safety requirements.