A. Foreign Debugging If you need, we will arrange our professional engineers to help you install and debug the machines well. Buyer should pay $60 per day B. Guarantee Period The warranty will be maintenance, maintain in the guarantee period of 18 months starting from delivery. Because of the quality of equipment during guarantee period, we will provide the parts free of charges, which is in the conditions of correct operation. (Natural disasters or factors which can’t forced by human are excluded). C. Training During installation and adjustment of the equipment, our engineers shall provide the training to buyer’s personnel request to operate and maintain the equipment. Including foundation construction, electrical works, hydraulic oil, safe operation and non-standard safety items, testing material and etc. D. Lifetime Services Life time services to every customer.Buy two roll forming machines (C Purlin Roll Forming Machine & Z Purlin Roll Forming Machine) is not the ideal solution to contractors or distributiors. As a result, our genius roll forming engineers have pictured out a new type roll forming machine image in their mind. Finally, our CZ purlin interchangeable roll forming machine has been designed to produce both C and Z steel purlins with any sizes available. The profile change including cutting dies for C to Z takes at most 30 minutes (just clutches taken out, a 180° turning on some rolling tools and clutches inserted in) and size change needs at most 5 minutes (just input the required distance through the touch screen on PLC control cabinet ). So much efficiency has been improved by this quick-change c/z steel purlin roll forming machineThe CZ purlin which was produced by CZ purlin roll forming machine can be used for the major stress structure of the large and middle-sized industrial constructions and civilian constructions. The roof load bearing and wall panel supporting the plants, warehouses, engine houses, hangars, exhibition halls, cinemas, gymnasiums, fair flower stands, etc.