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In international trade, the indirect and local inspection of import and export commodities is closely related to the vital interests of buyers and sellers, as it involves inspection rights, inspection agencies and related claims.…
Nano-diamond is the key to efficient hydrogen purification, the molybdenum disulfide coating introduction of new materials. Nanodiamonds may be small, but they could help solve one of the biggest problems facing humanity today: climate change Hydroge…
The global economy in the post-epidemic era is recovering upwards, coupled with loose global monetary and fiscal policies, leading to an overall increase in global commodity prices, including steel. Although the prices of raw materials such as iron o…