Established in 201, Hunan Guoyi Environmental Protection Technology Co., Ltd. was renamed Hunan Guoyi Environmental Protection Technology Co., Ltd. in 2020 and registered in Hunan Yiyang in June of the same year. It is a well-known professional selenium product manufacturer integrating R & D, production, marketing and service. The company strictly abides by ISO9000 quality standard<br>Management system, adhere to the production quality, sales quality, service quality as the criterion. Since the company was founded, adhere to the research and development, production, sales of high-tech selenium products, continuous development and innovation.<br>The company has set up a strong R & D department and constantly launched new high-tech products to meet the needs of the market. After three years, the R & D team of the company has developed a biological preparation - "taifufeng plant organic selenium", which is made by combining the fermentation amino acid active enzyme needed for plant growth with a large number of beneficial trace elements, and then refined by modern bioengineering technology Selenium rich slow release cup, selenium tablets, amino acid nutrition earthworm soil and other products.<br>Guoyi was founded in 201, renamed Hunan Guoyi Environmental Protection Technology Co., Ltd. in 2020, and registered in Yiyang, Hunan in June of the same year. It is a well-known professional selenium product manufacturer integrating R & D, production, marketing and service. The company strictly abides by ISO9000 quality standard<br>Management system, adhere to the production quality, sales quality, service quality as the criterion. Since the company was founded, adhere to the research and development, production, sales of high-tech selenium products, continuous development and innovation.<br>The company has set up a strong R & D department and constantly launched new high-tech products to meet the needs of the market. After three years, the R & D team of the company has developed a biological preparation - "taifufeng plant organic selenium", which is made by combining the fermentation amino acid active enzyme needed for plant growth with a large number of beneficial trace elements, and then refined by modern bioengineering technology Selenium rich slow release cup, selenium tablets, amino acid nutrition earthworm soil and other products.<br>
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