We're Rayer Lighting Co.,Ltd, http://www.rayer.cn/en
LED rope light can be made flat/tube, with or whihout controller
10 and 13mm
round 2 and 3 wires
One cut per meter(or two meters)
20m or 40m per roll
Colors: W/WW/Y/G/B/R/P/RGB/R+B+G+Y
Can you tell me what specification you need?