1. How to choose mechanical equipment? You have to inform us following details: ①Max. outside diameter ②Wall thickness range ③Bending radius (CLR) ④The pipe material ⑤The drawings if possible 2: Are you trading company or factory? We are manufacturer, not just foreign trade company. We have a factory. 3. What solutions can you provide to ensure that your machinery can do our job? ①We will help you confirm the model of our machine according to your offered pipe information. ②Before you start the order for this big value machine,you can offer your workpiece drawing to us. We can design the tooling to make your products in our workshop,after you are sure that the workpiece is good,then we can confirm the order finally. ③You can visit us before ordering to learn how to bend your product. In the meantime, we will 1. Provide detailed videos and instructions for this machine; 2. Provide training for all customers. We will arrange everything for you in our city these days to ensure that every customer is an expert in using our machine! 4. How long warranty can you provide? Our machine warranty is one year,and we use all the stable compoenents with long working life! And we can also send our technician to do the after-sale service in client's factory! 5: Can professional equipment be customized according to needs? Yes, we can design machines according to customer needs.