Quality assurance and duration: The seller in accordance with the standard production, since the equipment installation and commissioning of 12 months or 14 months after shipment of the guarantee period. except for wearing parts. Warranty period, the seller because of quality problems caused by the seller responsible for damaged parts replaced (The replacement of the old), under special circumstances subject to the buyer to purchase the written consent of the seller. Belongs to the buyer the operation, maintenance of quality problems caused by improper maintenance, the seller to provide paid service.