Plastic tube
4.The quality guarantee period for the machines and moulds is one year. Any damage on the any accessories during the quality guarantee period can be maintained or replaced free. otherwise, we will send some easy-damaged accessories with the finished machine for stand by purpose, such as heating component, seal component, easy-damaged connecting, plastic tube, touching switch and mould accessories.
7.The products are as follows: single/ twin-screw plastic extruder, the HDPE tube, the PP-R pipe, the perforated pipe, composite tube extrusion line, plastic extrusion line, pipe extrusion line, double pipe extrusion auxiliary machine, four pipe extrusion auxiliary units, granulate production line, cooling dry machine, screw feeder, crusher, mixer and hot &cold mixer, dehumidify dry unit, and all kinds of auxiliary units.
10.Using the software MARC/AutoForge3.1, a three-dimensional thermo-mechanical coupled elasto-plastic Minite Element Method (FEM) was used for simulation of a two-pass tube tension-reducing process of 33Mn2V steel for oil well tubes.

