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Shandong Tongxi Biotechnology Co., Ltd. is a high-tech enterprise specializing in the research, development, production and sales of natural plant extracts. The company has multiple sets of large-scale modern multifunctional extraction, evaporation, concentration, drying and other production equipment, with an annual consumption of more than 3,000 tons of raw materials, and is equipped with advanced testing instruments HPLC, UV, GC and various experimental facilities. It has professional production, technology, management and testing personnel. Over the years, the company has been adhering to the principle of product quality first, controlling the entire production process, and testing the product's active ingredient content, solvent residues, pesticide residues, heavy metals, microorganisms and other quality indicators to ensure product stability and product quality. The different needs of many pharmaceutical companies, health care product companies, veterinary drug factories, and pesticide factories at home and abroad have won unanimous praise! At present, our company has obtained production license, organic certification, Korsher and other qualification certificates. All products and all links are in accordance with the standard quality management system to ensure that we serve our customers with high-quality products!