PEEK resin since its inception, has been used as an important strategic IDF quantity, developed countries restrict exports to many countries. During this period, only some of the research institution

In aerospace aviation, PEEK resin can replace aluminum and other metal materials of various aircraft parts, using its excellent flame retardant properties, it can be used to manufacture aircraft inte

Editors Note: Industrial machinery research and development on the one hand to be faithful to the market demand, we must also guide the direction of industrial development, with rent prices, labor sh

How much printing and dyeing industry stereotypes emissions as excessive? County in the lead gives a precise limits: the maximum allowable emissions of particulate matter concentration does not excee