Tannic acid is obtained by solvent extraction of nutgalls or excrescences that form on the young twigs of Quercus infectoria Oliver and related species of Quercus.
The 300,000-ton automatic tunnel-type continuous pretreatment line (production line) is controlled by the PLC program control system, and is subjected to surface treatment processes such as pickling, dipping, rinsing, phosphating, warm washing, saponifica
Because our high-purity alumina raw powder has a larger average particle size, in order to meet higher requirements, we must process and mill and then obtain a finer high-purity alumina fine powder.
Barium Nitrate widely used in fireworks manufacturing, electronics, medicine, ceramics, optical glass, green flares, energy saving coal-fired and manufacturing all kinds of barium salt.
Humic acids are an excellent natural and organic way to provide plants and soil with a concentrated dose of essential nutrients, vitamins and trace elements.