1. How can place order? We can place order via alibaba? Yes sure. Alibaba trade assurance will keep your rights and deal safe. 2. Do I need solder when receive the light ? Does it come with instruction? You don't need to solder when you reiceive the light , we provide the full kit , it is preassabled ,jus plug and play . 3. How long delivery time for BAVAGREEN full spectrum led grow lights? Production time : Samples order : 24hrs. 5-20 sets:5 days 20-100 sets : 10-15 days We can ship by air such as DHL, UPS, FedEx or TNT ( 5-7 days ) . by sea or by train (25-30 days ). 4. What are payment terms for new customers? Usually we make transaction via alibaba trade assurance, after we set up an order, you can pay with credit card, visa, E-checking, western union or T/T. 5. Do you offer guarantee for the products? We offer 3 year warranty for BAVAGREEN Grow Light , not only for the driver , but for the whole kit . 6. Can I print my logo on the fixture ? Yes, we can print your logo on PCB board and Driver box. 7. What is the recommended mounting height above canopy? About 12" for flower and 24" for veg, Also can adjust the brightness with the dimmer. 8. Do you provide OEM /ODM and drop shipping ? Yes , we can do OEM /ODM , also can provide dropshipping . 9. What other products do you have ? We have the all series full spectrum grow light , from 120w .240w 480w to 640w and 720w .samsung lm301b , lm301b with Red and lm301b with red , ir and uv , also lm301h series. 10. Can I print my logo on the fixture ? Yes, we can print your logo on PCB board and Driver box. 11. Do you have oversea warehouse? Yes, we have warehouse in USA and Canada , and also you can buy from our agent in Europe.