harbin petrochemical insists on quality service for customers. it has asked relevant departments to join forces to meet customer demands. its sales department cooperates with workers in charge of rail transportation to find a way to reduce transportation costs for customers. the biggest phthalic anhydride buyer in northeast china was troubled by the costs, as customers had to pick up the goods by themselves. the company spoke with the harbin railway administration and made a special report to suggest cutting rail transportation procedures and shortening the delivery cycle. after several rounds of negotiations, the railway administration agreed to reduce the fees from harbin to manzhouli city by 25 percent. it’s unprecedented for the rail administration to bring down fees for a company. thanks to harbin petrochemical’s sincere efforts, it has been able to help its customers reduce costs. the clients were moved by harbin petrochemical’s help, deciding to make the company their only phthalic anhydride supplier. in addition, the sales department also communicated with the plant to make custom-made packages for various customers. the considerate services have helped harbin petrochemical gain customers, optimize its structure and stabilize product sales.