China is implementing swift and concrete measures to accelerate drug development, production and supply in order to guarantee better treatment of COVID-19 cases, as the country adjusts its epidemic response policy.
© Provided by Xinhua BEIJING, Jan. 1 (Xinhua) Pharmaceutical enterprises across China are working at full capacity to ensure the supply of key medic
BEIJING, Dec. 31 (Xinhua) Pharmaceutical enterprises across China are working at full capacity to ensure the supply of key medicines for COVID-19 control, as
2021-01-25 16:48 By: GMW.cn
On January 16, in Qingshui Village, Qingshui Town, Min County, Dingxi City, Gansu Province, Jiang Shengping, the representative inheritor of copper-aluminum casting skills in Min County, prepared to make molds in sand screening.（Photo by Chen Bin/Xinhua）
The copper-aluminum casting technique of Minxian County, Dingxi City, Gansu Province with a history of hundreds of years is a provincial-level intangible cultural heritage of Gansu. The production process is divided into more than a dozen processes such as mold making, carving, casting, and sand cleaning. Today, craftsmen still use ancient methods to make purely by hand, using sand as raw material and mixing with clay to make the required molds, and then pour high-temperature molten copper or aluminum water into the molds and wait for them to cool. , Break the sand mold, take out the polishing process and finally make exquisite copper-alumin