As the weather turns cold, the sales of thermos cups also gradually rises, while importers are also rushing to buy them and make a big profit in the peak hour. However,selecting a thermos cup is also a big question. What is the quality standard of thermos cup inspection? What is the heat preservation principle？
Since the 1990s, China’s umbrella industry has risen rapidly with the help of abundant cheap labor, and has gradually formed several major production bases in Zhejiang, Fujian, Shandong, and Guangdong, and has become the world’s largest umbrella industry. At present, the number and amount of umbrella exports in China accounts for about 80% of the global total. In the past three years, the number of finished umbrella exports in China has grown at an average annual growth rate of 5.9%, and the
The children’s market is often the most important thing for importers to be careful, because children of different ages have different demands for toothbrush categories, and the health of teeth is also the most important concern of parents in the growing period of children. Parents at this stage are more willing to ignore the price of products and choose high-quality products.How can professional toothbrush importers ignore this problem? This time the product inspection done by CQI inspection is a children’s toothbrush.In view of the words
As the core material of medical masks, melt-blown nonwoven fabrics directly affect the protective effect of masks. There are many factors that affect meltblown fabric filtration efficiency, such as fiber linear density, fiber web structure, thickness and density.
However, as an air filter material for a mask, if the material is too tight, the pores are too small, and the breathing resistance is too large, the user cannot smoothly inhale the air, and the mask loses its value.
This requires that
Melt-blown cloth is a melt-blown nonwoven cloth formed by drafting the polymer melt trickle extruded from the die spinneret orifice with high-speed hot air flow, thereby forming superfine fibers and collecting the superfine fibers on a screen or roller, and bonding the superfine fibers by itself at the same time. The melt-blown cloth mainly uses polypropylene as the main raw material, and the fiber diameter can reach 1-5 microns, thus achieving the particle blocking effect. How should foreign importers carry out meltblown
