1. The design of Green Stone native extracts is of professionalism. It is carried out considering many factors such as mechanical structure, spindles, control system, and part tolerances. The product has been certified under COS, EDMF, and DMF
2. As a specialized company, Green Stone Swiss Co.，Itd is highly recommended by customers. The product is not susceptible to bacterial contamination
3. The product is of high quality. Because it has been tested for several times and its superior quality and can withstand the test of the time. The product has the desired transparency and purity
4. This product has been certified by an authoritative third party, including performance, durability and reliability. The product is essential to improving health
5. Strict quality tests have been conducted to guarantee the quality of the product. The percentage purity of this product can reach to 99
1. Green Stone Swiss Co.，Itd stands at forefront in the market of extract from plants .
2. Our sales performance continues to achieve overall good growth. We now have our products sold worldwide, with a large amount of revenue coming from Asia, North America, and the Middle East.
3. Green Stone Swiss Co.，Itd has been abiding by the corporate tenet of 'Quality First, Credit First', we strive to enhance the quality of pure stevia leaf powder and solutions. Inquire online!