Buy LED chip

Our bulk purchases of the following long-term cash LED chip: 1, blue side pieces, project goods, fake side piece, between the wavelength of 440-475, 2.5 nm or 5 nm; 2, green square piece, project goods, fake side piece , between 505-535 wavelength, 2.5 nm or 5 nm; 3, red, yellow, blue, green and other high-power project goods, raw footage, etc.; 4, infrared 940nm, 850nm project materials, substandard goods, bulk cores. 5, long-term bulk Buy two yuan red, yellow, orange, yellow, and green inventory, project goods or substandard goods, requires low prices (not genuine).