★ Free to provide you with investment analysis of doors and windows;
★ Free to provide you with information related industries;
★ Free training staff for you;
★ Free installation and adjustment the equipment;
★ For the equipment users to buy, life-long maintenance, regular maintenance;
★ To provide 24-hour real-time services for the key areas;
★ To provide timely maintenance of equipment, maintenance services for all the plastic window factory;
★ To provide timely and efficient supply of spare parts for all the plastic window factory.