1. How to contact with us ?
a. Online service: by Trademanager, Skype.
b. You can choose your interested products and send inquiry to us.
c. Call us without any hesitation.
d. Send inquiry to us or email us.

2. How to confirm the product quality before placing orders ?
a. We will offer you our products specification standard to you, and we test every batch of our product by HPLC, UV, GC and TLC and etc. We also cooperate with independent third party lab such as SGS,PONY etc.
b. Free samples of some products can be sent, only need to pay the shipping cost or arrange a courier to us and take the samples.
c. Send us your products specifications and requests, we will produce for you.

3. How to make order & payment ?
a. Proforma invoice will be sent after your confirmation of the order, or You can order from Alibaba ESCOW.
b. We can accept payment by T/T, Western Union, Escrow, Paypal, L/C.

4. How to pack and storage ?
a. Packing: 1kg/Aluminium foil bag with Carton outside. 
25kg/Fiber drum with double PE bags inside.
b. Storage: Store in cool & dry place, keep away from strong light and heat.

5. How to ship and delivery ?
a. Transit could be DHL,UPS,TNT, FEDEX, EMS. For mass orders, it will be delivered by air or sea.
b. Depending on your location, 
For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.
For mass order, please allow 5-8 days by Air, 20-35 days by Sea.

6. Our return service policy
We offer an unconditional,full money back guarantee. if you are not 100% satisfied with our products ,return all goods back to us within 60 day and we will fully refund your money. No questions asked.