Wholesale lw led headlights off road from liwin

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1/The warranty of Led work light:
First step: cut down the wire and take clear photo(cut down the wire from outlet of light, the wire length of light must be not over 5mm)
Second step: damaged the mirror of light and take clear photo(use marker note the time on the mirror of light and take photo; then smashed and take photo)
Third step: take a photo of the light PCB(use marker note the time on the damaged PCB, then take a clear photo)
Fourth step: after our after- service department identify, we can change a new one for you in your next order.

2/The warranty of led light bar:
First step: light up the light bar and take the photo (light up the light bar and take the photo of the complete lighting light bar.)
Second step: According to the damage situation, we will send the replacement circuit boards and repair parts together in your next order.
Third step: We will send clear and complete replacement chart to help customers how to repair and replace.

INTRO: 
1) How long have you been in business? 
09 began to produce this type of lamp
2) What are your shipping terms? (FOB, CIF, DDP?) 
FOB,CIF
3) What is your OEM packaging inside and outside? What is in every single box? 
Neutral packing, foam inside box+ outside box+ Carton
4) Lead time from order placed/payment received to port (China) 
Base on the quantity,small order: 1-3days, bulk order: 7-15days
QUALITY: 
5) Where do you source your lw LEDs from? 
Intact imported from United States.
6) Your quality guidelines? Your defect rate? 
Our repair rate has been control in 1/1000 
7) Warranty? How long? 
We have, 12moths
8) Manufacturer capacity? 
250 million yuan
9) Type of testing? What testing machines? 
Waterproof test , burn-in test, Antistatic, Integrating sphere 1, carving machine, 2 salt spray 
test machine,1 shock tester,1 EMCRF SHIELD ROOM, Darkroom
10) Certifications? IP rating? 
CE ROHS E13 IP67
11) What is your light output efficiency? Lumens/watt? 
We have 9W-288W 
Epistart chip:80lm/W lw: 90lm/W
12) Aluminum or copper circuit board? 
Aluminum substrate
13) Aluminum or nylon housing mold? 
Aluminium alloy extrusion profiles
14) Features: Lens type? Steel type? Paint type? Heat sink? 
Lens type: PC or tempered glass,Heat sink: heat shrink tubing
15) Optical efficiency? Power consumption? 
That must have the consumption during the burn-in test, but for the concrete data, we do not 
have the calculation.
16) What sets you apart from other factories?s 
We started production of this type of 09 lamp manufacturers, an earlier we are manufacturer 
of this type lamp, technical experience. We do OEM for Europe and the United States 70 
brands, our quality received the affirmation of the industry!

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