Pre sales plan

   · Customer requirements, trial selection and verification

   · Research and development demonstration of unknown 

      materials and special materials

   · Customized models

On sale service

· Guide installation, commissioning and verification

· Personnel training and operation guidance

· technical support

   Ａfter-sale service

   · Telephone guidance (24-hour after-sales service: 400-181-

      0686)

   · On site service, maintenance and upgrading

   · Regular return visit