Nanjing Tessin Biotechnology Co., Ltd deep in Bio industry for 13 years. We engaged in research and development areas include Yeast Derivatives, Immune Polysaccharides, Plant Extracts, etc. The company's products have been widely used in human food, feed nutrition, pet food, beauty makeup & skin care, medicine, health care, agriculture and fisheries and other fields to improve life and health. We insist on producing high quality,green products for human and animal heath. Buliding mutually beneficial and win-win partnership as our development strategy.

1. Are you a manufacturer or trading company?
We are manufacturer has been engaged in yeast industry for more than ten years, with perfect production technology, professional team and advanced production equipment welcome to visit our factory .

2. Are these yeast extract natural ?
Yes,you can buy it safely .

3. Can I get some sample for test ?
Yes, we can offer small quantity free sample for your test if you can pay for the shipping cost or freight collect.

4. How to confirm the products quality before placing order?
We adhere to the quality first, each batch of goods strictly factory inspection before delivery, each batch of goods with factory inspection sheet .

5. What is your delivery time ?
We have stock,anytime if small quantity.For large number of goods1-7days enough.

6. Do you have professional after-sales service ?
Our afer-sales service team is online 7*24hours.