PRODUCT INFORMATION

Product name	Grape Seed Proanthocyanidins Extract Powder
Latin name	Vitis vinifera L.
Brand	Sost
Appearance	Amaranth fine powder
Specification	OPC 95%,98% , Polyphenol 80% ,90%,95%
Part of used	Seed
CAS No.	4852-22-6
Molecular formula	C30H26O13
Molecular weight	594.5196
Active ingredient	Proanthocyanidins / OPC / Polyphenol
Detection method	UV

HOW DO COSTOMER EVALUATE US?

FAQ 

Question 1:Can you supply free samples ?
Answer:Because so many free sample orders everyday to us, sorry, we need to supply sample with charge, but sample charge can be deducted from future orders.Hope you can understand.

Question 2: How to assure your delivery same good quality as sample? 
Answer: We just take sample from mass production. So same production line,same quality. Even we can supply you preshipment batch sample approval. 

Question3. How to assure our delivery and quality after prepayment? If there is a dispute about quality etc, how to solve the problem?
Answer: We are committed to ingredient industry for nearly 20 years. Our products sold popular to European, american, russia and asian market.
The most important is pls book order directly in Alibaba order.You can get extra Ali trade assurance. Our current assurance limit is USD104000 and will still up in future.
We welcome use Trade Assurance, you'll enjoy:
100% product quality protection
100% on-time shipment protection
100% payment protection for your covered amount

Question 4:What kind of payment do you prefer?
Answer: We can accept TT, DP,LC,Westunion etc.