Hangzhou POLYTECH Plastic Machinery Co.,Ltd is a national high-tech enterprise registered in Hangzhou Hi-Tech Development Zone with more than 20 years in this plastic extrusion field We offer total solution of the project in the plastic extrusion machine file, such as workshop design, material formulation, machine installation, operating training, good after sales service.our serviece is perfect .no matter in manufacturing\installation\commissioning or customer after sales service,we endeavor to make our customers satisfaction.Almost all the customers can feel our sincerity,and they all give us a good priase. We also provide a perfect after-sale service system.and get a good prise from nearly all customers. In order to provide customers with perfect service, Remove the worries of the clients. Our company has developed a perfect tracking service process and improve after-sales service system, and set up special after-sales service hotline, to provide users with any questions and technical support, we make the following maintenance service commitment to you, and in accordance with the service commitment to provide maintenance service to you.