Due to the epidemic situation, many machine parts are out of stock, resulting in price increases.For example, the screw of extruder is seriously out of stock, and even 3 times price can not buy one. So many manufactures produce extruder only by their stock of screws.  So if you have some need of our machine, send your order asap, before stock runs out. We are a leading manufacture of snack food machine, pet fish feed production line. The extruder is the main machine of these production lines, and screw is the machine's core part.