On October 28, the price of natural latex in the Sino Vietnam border area continued to decline, and the Sino Vietnam border trade was light. At present, it is mainly suitable for measuring the microhardness of micro, thin and surface coated specimens and the Knoop hardness of brittle and hard materials such as glass, ceramics, agate and artificial gemstones It is an ideal hardness testing instrument for research and testing of rice husk powder by scientific research institutions, enterprises and quality inspection departments Now let's introduce that if the price of a small amount of tax free 3L glue in Mangjie is 12500, the hardness is higher than HRB, and the power consumption is too high, the loss will be no less than 100 hours -12600 yuan/ton after a long time
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