About Us

Xi'an Rainbow Biotech Co.,Ltd


Xi'an Rainbow Biotech Co.,Ltd is a botanical extracts manufacturer from ancient city --Xi'an City.Depend on good quality local plant resources,Rainbow engaging in R&D,production of natural herb products and plant extracts , has been working on supply high quality natural product for food, health care products, cosmetics ,natural pigment and other industries over the years, as well as the effective ingredients and API material.

Rainbow was founded in 2013, has a complete management of material supply ,R&D, production , QC and sales team.With independent management of raw materials plantation  of 300,000㎡. we processing 2000 tons herbs annually.

About Us

Technical Center

Own self lab for testing and product developing. 

Professional R&D team and strong R&D strength.

Advanced development equipments. 

Collaborated with University for high technology project.

As the practice teaching basement of Northwest A&F University ,we have long-term ,stable cooperation with them for developing and researching kinds of high technology content of natural products,  laid a solid foundation for company’s further development.

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Quality Control System

Rainbow established a full set of quality control system from raw material to finished products,and have advanced testing equipment, also cooperate with the international recognition of the third party inspection agencies EUROFINS , SGS, ensure the quality of the products conform to the requirements of the customers.

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Located in Sanyuan Food Industrial Park and our sales office is in Xi’an City of Shaanxi Province , with construction area of 3,000 sq.m. There are 4 extract production lines ,4 sets of double concentrator, 4 chromatography columns,spray drying equipment and cleaning workshop. Products from extraction, concentration, spray drying to aseptic packaging are strictly following standards.

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Why Choose Us



Professional manufacturer with R&D capability for product development


Professional Pre-sale and in-sale and after-sale service.


High quality products, complying with BP/USP/EU/CP standard


Over 18 years of plant extraction experience, sale to more than 120 countries.