High-grade rubber and plastic products won the national patent
The three series of chlorinated polyether special engineering plastics, modified chlorinated polyether anticorrosive spray powders and chlorinated polyether special rubbers jointly developed by...
Lightweight paper is the new favorite of printed paper products
Lightweight coated paper has good printability and is suitable for rotogravure or offset printing, even for lithographic offset printing. At present, in more developed countries and regions, the...