10w 20w 30w 50w High Brightness COB LED Bridgelux Chip
LED COB Full Spectrum High Power LED Chip COB 20W 30W 50W Red Color COB LED Chip - China LED COB, COB LED Full Spectrum | Made-in-China.com
Kaufe COB LED Lampe Chip 10W 20W 30W 50W 100W LED COB Birne 12V 32V Kalt / Warmweiß Scheinwerfer Fluter | Joom
CLE LED COB Smart Chip 20W 2800-3200K warmweiss | FORTIMO
COB TRACK LIGHT CHIPS 20W - Unique Lights
COB LED Chip Lights High Power SMD Bulb 100W 50W 70W 30W 20W 10W Floodlight Lam | eBay
High Power 1W 3W 5W 10W 20W 30W 50W 100W White SMD LED COB Chip Lights Beads | eBay
1pcs LED COB Chip 20W Cool White DC 28-38V SMD For Flood Light Bulb | eBay
Amazon.co.jp: IMENG LED Light 20W LED Chip Multi-Chip LED 6000K 2400Lm High Brightness LED Light Forward Voltage 30VF Left and Right 20W LED Cob Light Source Module Floodlight LED Lamp LED Lighting