STIN UCO, short for CHANGSHA STIN UCO RENEWABLE ENERGY CO., LTD, is a part of STIN GROUP, STIN UCO focuses on the supply chain management and consulting service for the safe sourcing of used cooking oil, biodiesel, glycerol, fatty acid, biodiesel processor, refining facilities and oil processing equipment etc in China. We are a sourcing service company instead of a direct seller in China.
2. Could you offer FREE samples ?
Yes, we can offer FREE samples but you have to bear the actual shipping cost from our factory to your office by air or express, you can simply tell us your DHL, UPS or FEDEX account, then we can deliver the samples to you by express at your cost.
3. How to work with STIN UCO ?
Please simply email us your company profile, brand and order details, we can source any kind of used cooking oil, biodiesel, glycerol, fatty acid, biodiesel processor, refining facilities and oil processing equipment etc in China.
4. How long is the lead time ?
It depends on your order details, covering order size, quality, package and other requirements etc, normally it is only 10-20 days for an order.
5. Do you have any MOQ requirement?
Yes, our minimum order quantity requirement is five * 20 ft container.
6. What are your payment terms ?
The specific payment terms have to be negotiated with the manufacturers case by case in China.
7. How can I trust STIN UCO and STIN service ?
STIN Group has worked for tens of hundreds of clients from over 80 countries and areas on the globe so far, you are free to ask STIN for the references from your country before payment, also STIN is verified and listed as a VIP member by Ministry of Commerce in China
8. How do you control the quality ?
STIN has a team of 5 to control the quality from the beginning to the end, covering raw materials, production standards, processing steps, package etc. For oil products, we also work with some top labs in China to test the specifications before loading in China.
9. Can we work with your factories directly in China ?
Yes, you can work with our factories directly on conditions that you sign a service agreement with us. Please contact us for details.
10.What if I'm not happy with STIN services?
Please send complaints to our After-sale Service Division: firstname.lastname@example.org. You will get a feedback within 24 hours.