Shanghai Huajian carries out the policy of service promises of one result, two prompt-actions, three satisfactions and four accuracies as follows: One result: a satisfied service result Two prompt-actions: services given within 24 hours in Shanghai and within 48 hours all over China Three satisfactions: 100 percent customer satisfactions in service attitude, service process and service quality Four accuracies: accurate record of help sought by customer accurate record of troubles caused by our products accurate record of troubleshooting accurate record of feedbacks concerned Spare-parts supply There are more than 3 million spare-parts stored ready for supply in our Shanghai central warehouse, and other 5 sub-warehouses in our marketing offices all over China. Information-based management has been carried out to fully guarantee the demand of spare-parts by our customer . Service Supervision Mechanism: Three supervisions shall be implemented in every service as follows: 1.An on-the-spot supervision sheet shall be signed by customer. 2. Telephone supervision shall be made by sales company, technique and quality department, and subsidiary works. 3. Supervision shall be carried out during our return visit to customers.