• Is it time to completely replace non-degradable plastic bags?

Unsolved2021/07/06 22:29

• How should human beings deal with plastic pollution in the ocean?

Unsolved2021/07/06 22:26

• Do American supermarkets offer plastic bags or paper bags?

Unsolved2021/07/04 23:56

• What is the status of disposable plastic bags in various countries?

Unsolved2021/07/04 23:55

• Is the saying "plastic bags are more environmentally friendly than paper bags" correct?

Unsolved2021/07/04 23:51

• How do you view China's total ban on the import of foreign waste from 2021? What's the poi

Unsolved2021/07/04 23:44

• Why don't countries in the world ban the use of plastic bags?

Unsolved2021/07/04 23:42

• How is non-woven fabric made? Can it be degraded?

Unsolved2021/07/04 23:42

• How to view the Chinese government's ban on the use of non degradable plastic bags? What is the

Unsolved2021/07/04 23:26

• Why plastic is difficult to degrade and recycle, but it is still widely used?

Unsolved2021/07/04 23:14

• Why do waste plastics pollute the environment?

Unsolved2021/07/02 23:20

• What is the prospect of the automotive panel mold design industry?

Unsolved2021/07/02 02:07

• How to find a high cost-effective die-casting mold and die-casting manufacturer?

Unsolved2021/07/02 01:59

• The two injection molded parts have the same structure but different thicknesses. Do I need to open

Unsolved2021/07/02 01:47

• Is it difficult to switch from stamping molds to plastic molds?

Unsolved2021/07/02 01:42

• There are three types of molds, heat treatment, and liquid forming, which major will develop better

Unsolved2021/07/02 01:39

• What's the future of hot stamping and common stamping?

Unsolved2021/07/02 01:36

• Stamping Commemorative Medallion (as shown in the picture) with a 16 ton punch! Why can't SPCC

Unsolved2021/07/02 01:33

• Which is better to learn molding, forging, casting, mold rolling?

Closed2021/07/02 01:30

• Is it better to go to school to learn molds or to go to a mold factory to learn molds?

Unsolved2021/07/02 01:28