Trend Terms

We usually collect payment by T/T, L/C, PayPal, Western Union, and Moneygram. If you have a different payment term, please notify our agents and work out a solution for both parties with us.
Please note that payment should be made only to following valid account:
Any changes of payment accounts, please call us and confirm the changes with us.

  • We usually quote our products with EXW price in USD dollars.
  • All quote is valid within a month.
  • To get a clear and better price, please provide our sales with interested model number, and quantity.
  • We can also quote FOB prices as per customers’ request.
• We usually use FedEX, DHL and UPs for samples, it usually takes about a week for sampels to get your side;
• For quantity order, we use sea freight, air freight or other method as request;
• Our shipping forwarder work with us for over 10 years, we always choose the best and cheapest shipping method for you;
• You can also use your own forwarder for shipping.
We offer one full year warranty and limited life-time warranty for our lights. Sangauan has a very strict quality control system to ensure all users use our lights without worries. All Sanguan lights are inspected three times: coming material inspection, finished products inspection, and final inspection before shipment. The company solemnly commit to all users as following:
• One year warranty: within one year from shipping date, customers would enjoy a 12 months warranty for our bike headlight if any problem raised due to poor quality or design flaw.
• Limited lifetime warranty: Sanguan provide paid maintenance service after one year warranty. The cost is subject to replaced part, without additional labor costs.
• Warranty for Accessories: For other accessories apart from the headlights, Sanguan provide a 180-day warranty after shipment.
• To perform the warranty, please contact online retailers where you buy the bike lights. Warranty card and purchase invoice are required for warranty service. Please notice that Sanguan only provide service to our dealers or distributors, we do not provide direct service to end users.
• Our warranty clause does not cover following situations (warranty request could be meet only after payment under such circumstance):
A: All damages that is man-made, including used in non-normal circumstances;
B: Users dismantle or maintain product on their own, modification or repaired by some units by some units without authorization; no warranty card and valid documents.
C: Damage cased by other irresistible factors (such as fire, flood, earthquake,etc.)
• Our MOQ is different for different models, our colleague would send you quote with MOQ for each model. Please feel free to contact them, if you are interested in our bike lights.
• For bike lights like SG-T2200, MOQ for customized packing or manual is 500 sets. If your branded packing is very important for you while you want to start with small trial order, we could also provide customized service for you with extra costs.
• For more information, please feel free to contact our agents.

About Product

Q1: What’s included in one bike light kit?
All our bike lights are sold and sent as whole kits. Each model have different accessories, you can check the “Full Set” Tab in each product content. Most kit includes 1pcs bike light, 1pcs battery pack, 1pcs charger, 1pcs head strap, 2pcs O-rings, 1 pcs manual, 1pcs gift box. All these accessories are included in our quoted price.

Q1: Do you have a charger for Australia socket?
We have four kinds of plugs for our chargers: UK, EU, AU, USA. Most countries and regions use these four plugs. Please check the plugs in the Picture for our charger plugs, and inform us which plug you want before order.


Q1: I do not want headband, can you send the helmet strap?
Either headband or helmet strap can be included into one kit, but customers can only get one of them with our quoted price, unless pay extra money. So please let us know if you want specific or extra mount, otherwise we would choose the mount type for you.

Q1: Can I use the 6600mAh battery pack for model SG-N1000? Or SG-Thumb I?
All our battery packs (except for the one with SG-Thumb II) are designed with 8.4V in voltage. Thus they can work perfectly with different models, the only problem would be the change in run time. For SG-Thumb II, its battery pack is specially designed with 4.2v to make SG-Thumb II a USB rechargeable bike light.
Q2: What batteries you use for your battery pack?
Our battery packs are made of top quality ultrafire 2200mAh li-ion batteries. We can also replace them with 3.7v rechargeable Samsung batteries as per customer request based on a different rate.

About Our Company

Both Sanguan Tech and Ostar Tech is of same owner. Ostar Tech is first founded in 2004 as a trading company, and in 2008, Sanguan tech is established in Shenzhen as our producing factory.
Sanguan is Chinese reputable manufacturer of LED bike lights. We get our own factory site, professional teams of R&D, Inspection, sales,etc. We handle the whole progress from product developing to exportation (The LED we use is exported from Hong Kong branch of Cree Inc. from USA).
We have CE and RoHS certificate for Sanguan bike lights. Our lights are all made of top quality material, each item is inspected before shipping. And we also provide one year warranty for our bike lights. Quality is the first reason for our growing business.