Nitrifying bacteria 02 (Nitrifying bacteria) is a class of aerobic bacteria, including nitrite bacteria and nitric acid bacteria. Living in aerobic water or layers of sand plays an important role in the nitrogen cycle water purification process. The nitrifying bacteria preparation is a treatment agent used to control the concentration of self-produced ammonia in aquaculture pond water. Shandong Weiduofeng Biotechnology Co., Ltd. is a professional company dealing in chemical and microbial products, and its products are sold all over the country. The company's business covers food, industry, agriculture, microbiology, feed and other industries, and enjoys a high reputation in the same industry. Main products: blood powder, meat powder, chicken powder, feather powder, bacillus subtilis, compound bacillus bacillus, fertilizer decontamination agent, various biological strains and protein, yeast powder, yeast extract, yeast soaked powder, beef paste, beef soaked powder and other fermentation raw materials.