About Us

Development History

  • In 2010
    Xi’an Rainbow Bio-Tech Co., Ltd. Was founded.
  • In 2014
    We established a state-of-the-art laboratory equipped with the latest technology and staffed by a team of highly skilled professionals.
  • In 2016
    We took we took another important step towards expansion with the establishment of two new subsidiaries:Jiaming Biology and Renbo Biology.
  • In 2017
    We continued our global promotion efforts with participation in two major overseas exhibitions: Vitafood in Swiss and Supplyside West in Las Vegas.
  • In 2018
    We reached another milestone by setting up overseas branches in major markets the United States. This move allows us to better serve our customers in different regions and adapt our operations to the unique needs and requirements of each market.

Our Sincerity


In addition to our expansion efforts, we remain committed to quality and safety. As a recognition of our commitment, we have obtained SC, ISO9001 and KOSHER certifications, certifying that we meet the highest international standards of quality management and food safety.

We dedicated to providing the highest quality nutrients for the health of humans and pets.Our products are widely used in human dietary nutritional supplements, human beauty care, pet nutritional supplements, etc.

From potent antioxidants to essential vitamins and minerals, we source only the best ingredients to ensure our customers get the best benefit.

Our mission is to collect and produce the best of nature ingredients in a safe and convenient way on the premise of protecting the ecological environment so that everyone can enjoy the benefits of a healthy and balanced lifestyle.


Our Team

The CEO Caihong (Rainbow) Zhao is a PhD Biological Chemistry. She led the company to collaborate with multiple universities to research and develop new products and put them into the market,and built an independent laboratory with more than 10 people for R&D and QC to supply the latest products and the most reliable quality guarantee. Through more than 10 years practical accumulation, we have obtained multiple experimental patents. Such as refinement of Lappaconite hydrobromide, preparation method of salidroside(rhodiola rosea extract), quercetin crystallization equipment, quercetin preparation method, purification device of Icariin and schisandra extract. These patents help our customers to solve the problem in production, effectively control the cost and creating more value.

Inquiry for Pricelist

For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.
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