What are the causes of fracture of wire?
(1) Defects on the surface;
(2) There are inclusions at the centre;
(3) There is martensite abnormal structure at the centre;
(4) The pulling stress is over the tensile strength of the materials;
(5) Insufficient lubrication;
(6) Poor welding;
(7) There are some problems in terms of pre-treatment technology such as the pickling time is too long or the concentration and temperature of acidizing fluid are too high.
Can I visit you?
Sure, If you would like to visit our factory, please contact us to make an appointment.More details
How can I know how my order is being done?
We will inspect and test all items in order to avoid damage and missing parts before shipping. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.More details
Can you give warranty of your products?
3.Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service. For the overseas orders, we provided emails with details including pictures or short video to you to confirm the quality before the shipment.More details
4.How long of your delivery time?
Generally need 5-10 days if it is in stock. Or need 15-20 days if it is out of stock.More details