1. What're your main products? Our main products are hydroponic PVC channel/pipe, small hydroponic system, net pot and sponge etc. 2. Do you provide free sample? We provide free sample, but you need to pay the freight by yourself. 3. Where is your company? Our company is located in Nantong, Jiangsu Province, China(mainland). 4. What's your delivery time? Generally our delivery time is 7-10 days for stock, but the final time is according to your quantity. 5. What's your payment terms? Our payment terms is T/T 30% payment in advance, and the rest against the copy of B/L.