1. How to place an order?
Please send your inquiry with the specified product names and their quantities. We aim to reply within 1 to 12 hours. Best prices will be offered for the specified orders. After that, we will ask for payment upfront. Once that’s done, orders will be sent out immediately within one working day. There will be a tracking number for each parcel, so you know where exactly your order is. After the parcel passed the customs, your order will be delivered by your local post office.

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.
b. 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.

b. We can accept payment by T/T, Western Union,Moneygram.

4. How to pack and storage?
a. 10g/100g/500g/1kg/bag; vials package
b. Chemical can also be packed according to the customer requirements and packaging specifications.
c. 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 5-8days 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 , you can return all goods back to us within 60 day and we will fully refund your money.



Contact: Ostarinepowder

Phone: +86-512-82101629

Tel: +86-512-82101629

Email: info@ostarinepowder.com

Add: Tian Ba Lu, Suzhou, Jiangsu Sheng, China