and local companies are gradually rising

polyoxymethylene (pom), also known as polyacetal, polyoxymethylene, acetal resin, etc., is a linear polymer compound with a macromolecular main chain of (ch2o)n. it has a relatively regular structure and almost no side chains. polyformaldehyde has high stiffness and hardness, excellent comprehensive properties, and can replace aluminum, zinc, copper and other metal materials. as the polyformaldehyde…