Hebei Yuanda Zhongzheng Biotechnology Co., Ltd.

Zinc sulfate, copper sulfate, ferrous sulfate, magnesium sulfate, manganese sulfate, calcium iodate, cobalt chloride, sodium selenite, potassium chloride, sodium chloride, xylanase + β-glucanase + cellulase + protease + amylase; Production, sales, and import and export trade of xylanase + β-glucanase + cellulase + protease + amylase + Bacillus subtilis + Bacillus licheniformis, vitamin premixed feed (livestock, poultry, aquaculture, ruminants, pets, and special animals), trace element premixed feed (livestock, poultry, aquaculture, ruminants, pets, and special animals), compound premixed feed (livestock, poultry, aquatic products, ruminants, pets and special animals), zinc fertilizer and other by-products; zinc oxide, zinc carbonate, potassium iodide, magnesium oxide, amino acids, Sales and import-export trade of chelates, potassium fertilizer, nitrogen fertilizer, lead-zinc materials, zinc hypoxide, zinc ash, ash residue, lead-zinc ash, cobalt sulfate, basic copper chloride, feed-grade zinc oxide, crude iodine, crude tin, crude bismuth, crude cadmium, compound fertilizers, organic feed raw materials, soda ash, trisodium phosphate, and fertilizers (excluding hazardous chemicals). …