The registration address of hebei yundong fertilizers limited is located at no. 68 of the tatan village industrial zone, located in the south cattle village of chang dynasty county, with the registration authority being the san dynasty county market supervision authority, with legal representatives representing zhao camp dynasty, operating in the areas of organic fertilizers, bio-organic fertilizers, microbiological fertilizers, micromechanical fertilizers, water soluble fertilizers, recombinant fertilizers, composite fertilizers, mixing fertilizers, production of microbiological fertilizers (excluding pre-qualification and state-prohibited, restricted-type projects) and marketing; research and development and promotion of biotechnology; cultivation of guacao vegetables; processing of agricultural products, water treatment agents (excluding pre-authorization and state-prohibited, restricted-type projects) and marketing; construction of garden and greening projects; pollution treatment; integrated use of agricultural waste; and import and export of goods or technology (with the exception of goods and technologies whose import and export are prohibited or related to administrative approval). (projects subject to legal approval may not operate without the approval of the relevant department)