Phoenix International imarkets Beijing time on December 25 news, as of the close of the day, the Dow Jones Industrial Average fell 36.08 points, or 0.13%, to 28515.45. The standard & Poor's
PVC sheet is made of PVC as the raw material, and its cross section is honeycomb mesh structure.
It is a kind of vacuum plastic film, which is used for the surface packaging of various types of p
"One step practical action is more important than a dozen programs."
The Tariff Commission of the State Council of China recently issued a circular to adjust the import tariff of some commodities
Shrinkage refers to the percentage of error between the size of plastic products and the size of the original mold after cooling and curing and demoulding, which can be measured in accordance with A
