Extruder for PVC

The most commonly used extruders for the processing of PVC plastics are equidistant unequal-deep-graded and equal-depth unequal-distance gradient single-screw extruders, and counter-rotating parallel twin-screw and conical twin-screw extruders.

Screw

Ministry of Agriculture: "Insects catch food"

[China Agricultural Machinery Industry News] According to the National Crop Pest Monitoring Network, this year, affected by the strong El Niño, most of the country has high temperature, high humidity and strong convective weather, and some major pests and diseases have