2.2 In 2001, the United States exported nearly 10 million tons o…
Basell introduced new injection molding and blow-molding molding…
Modern production, circulation, and sales o…
The China's most advanced anti-counterfeit placard, which in…
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Packaging is a tool to promote sales, novel and beautiful, first…
1. Rubber tubes and belts are important rubber products and are …
Modern packaging has comprehensive functions such as effective p…
If there is no power, then all the technical movements of mountaineering in the world are wort…
V. Rebelling Against Adults and Children Many adults are innocen…