It should be noted that the gross profit margin of Gongjin shares fell to 13.94% last year, and some investors are worried about the risk of continued decline in the company's gross profit margin. In this regard, Tang Xiaolin, Vice President and Trea…
Also known as graphene, graphene is also a form of graphene. It is a carbon nanomaterial which looks very like graphene. It is composed of carbon carbon molecules. Purity>99% Single layer ratio: 97% Definition of graphene Graphene Graphene Graphene…
The wide-gap semiconductor material GaN is widely used due to its excellent electrical, optical and physical properties. 1.Semiconductor light Gallium Nitride is widely used in semiconductor lighting. The high reflectivity, transparency and luminesce…
Sodium Diisobutylnaphthalene Sulphonate is an anionic surfactant, easily soluble in water, can reduce the surface tension of water, has excellent penetration and wettability, and has emulsification, diffusion and foaming properties Purity: 60-65%…