Abstract: A purchase management system includes a database, a search module, an order receiving module, a consignment setting module, a receipt management module, and an inspection management module. The database stores order information. The search module acquires the order information from the database responding to a request and outputs the order information. The order receiving module receives the order information and adds the order information to the database. The consignment setting module receives consignment information corresponding to the order information and adds the consignment information to the order information. The receipt management module receives receipt information corresponding to consignment information and adds the receipt information to the order information. The inspection management module receives inspection information corresponding to receipt information adds the inspection information to the order information.

Abstract: An administrating system for material purchasing includes a request input module, a request messaging module, and an approval processing module. The request input module is used for receiving a purchasing request message from a request terminal. The request messaging module is used for forwarding the purchasing request message to an approval terminal. The approval processing module is used for receiving a request reply message to the purchasing request message from the approval terminal. An administrating method for material purchasing is also disclosed.

Abstract: An air conditioner with lower noise indoors, characterized in that the indoor unit shell 1 and the outdoor unit shell 2 are connected by connection rods 3 and have a noise deadener 12 therein. In refrigerating system of the air conditioner, by way of totally-enclosed welding, the compressor is connected with its intake pipe and with its discharge pipe, the condenser is connected with the discharge pipe of the compressor and with the capillary tube, the evaporator is connected with its intake pipe, and the intake pipe of the evaporator is connected with the capillary tube.