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1. advanced auto ASM machine, KS machine, light division and color division machine
1.What will be the delivery time?
A:We have large quantities in stock for normal color and size ,and for special color and size.It needs 3-5 days to customize.100K units is available for most of our models in normal color and size.
2.What will be the price terms?
A: We can accept FOB, EXW, CIF normally and other terms according to customers special requirement.
3. What will be the types of payment?
A: The payments we can accept are T/T transaction, Paypal, Western Union, Escrow, Money Gram and Chinese bank.
4. what is the color temperature for white light?
A: HHE 's LED Lighting offer leds in warm, natural, pure and cool white with color temperatures measured in Kelvin (K).
The lower the color temperature is, the warmer the light given by the LED:
*Warm white = 2700K-3500K
*Natural white = 4000K-6000K
*Pure white = 6000K-9000K
*Cool white = 9000K-20000K
5.What is CRI ( Color Rendering Index)?
A: CRI is a figure which feedback the real objects colors. Higher CRI with higher cost. For leds, the CRI is mostly 70-80Ra.
6. what is your chip brand?
A: The chips we use usually are from American Cree and bridgelux, Taiwan Epistar and Eplieds, and Xiamen Sanan and Changelight.
7.what relationship is between viewing angle and brightness of led?
A: For the leds with same chip, the smaller of the angle is, the brighter of the led is. Besides, the deeper of the holder dips into the lens is, the bigger of the angle is.
8.What will be the types of shipping?
A: For the shipment, you can choose DHL, UPS,TNT,EMS,ARAMEX, FedEx, City-link line, China post, by air mail, and by sea, etc.