Pre-sale services: free for user selection, according to customer conditions required: simply providing medium temperature proportion of particles whose She's done by us!

Sale of services: detailed and popular products to the users about the performance, features select the most suitable varieties, specifications, models, both durable and affordable！

Service: customers regardless of size, should be to establish a full database of information for each user. Aftermarket week from telephone interviews and on-site visits to achieve a combination of service.