API 5L Grade B (API 5L Gr B) is a pipeline steel grade that complies with American Petroleum Institute (API) standards and is suitable for pipelines transporting liquids and gases such as oil and natural gas.
Naphthylacetic acid belongs to plant growth regulator, which can promote cell division, elongation and expansion, induce the formation of protozoa and facilitate the growth of new roots, promote the rooting of crops, promote the development of root tips,
Usb charging rack for tablet with 16 USB ports. Universal charging rack for mobile devices like ipads, tablets and any mobile devices with USB ports. It saves time for cable clutter, just put devices and charge.