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Green Stone – Your Trusted Pharmaceutical,Herbal Extracts,Food Additives,Chemicals and Biochemical series Professional Service Provider

1. Source of Materials
Our China branch is one of the representatives of The Herbal Materials Association of China, ensuring the best quality of raw materials.
2. Technical Support
We cooperate with Sydney University, Melbourne University, the Biology Research Institutes of the Science Academy of China, Beijing University to ensure the quality and advanced technologies.
3. Quality Control
All active ingredients must be inspected strictly by HPLC, GC or UV,ensuring good purity.
4. Quality Promotion
Supercritical Co2 Extraction guarantees the high purity.

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