Guangxi Qianhang Digital Technology Co., Ltd.

Professional Auto Parts & LED Lighting Manufacturer

Halogen, Xenon, LED, or Laser: How We Got Here, and What Actually Fits Your Car

Headlight technology has a genuinely interesting history, and knowing it makes the current choices make a lot more sense than jumping straight into a spec sheet. How we got from oil lamps to lasers Early cars didn’t have dedicated headlights at all — drivers borrowed oil lamps straight off horse-drawn carriages, which did almost nothing … Read more

Converting Halogen to LED: A Guide That Actually Tells You How, Not Just What

wapping halogen for LED is one of the most common headlight upgrades out there, and when it’s done right, it’s genuinely worth it — better output, instant-on, lower draw, longer life. When it’s done on autopilot without checking a couple of things first, you end up with a headlight that’s “upgraded” on paper and worse … Read more

How to Properly Aim and Adjust LED Headlights: A Complete Guide

A brighter headlight does not always mean better visibility. If your LED headlights are aimed too high, they can blind oncoming drivers. If they are aimed too low, you lose valuable road visibility and end up driving into dark areas. Proper headlight aiming is the final step that determines whether your LED upgrade actually performs … Read more

What to Do If Your LED Headlights Scatter Light Instead of Focusing? – Causes, Solutions, and Prevention

Scattered, unfocused LED headlights not only reduce your own night‑time visibility but also cause glare for oncoming traffic – a safety hazard and often a legal violation. The following covers the core causes, step‑by‑step solutions, and long‑term prevention. 1. Three Main Causes of Light Scatter 1. Incorrect bulb installation position (most common)The LED’s light‑emitting point … Read more

How to Properly Install and Use Automotive LED Headlights – A Step‑by‑Step Guide from Removal to Aiming

Proper installation not only unlocks the full performance of LED headlights but also prevents common issues like beam scatter and glare. This guide covers the complete process – from removing the old bulb to installing the new one, testing, and aiming the beam. Open the bonnet and locate the dust cover at the rear of … Read more

How to Choose Car Headlights? Key Points for Selection

Among numerous auto parts, headlights play a vital role. They are not only critical for night‑driving safety, but also affect vehicle appearance and overall performance. What factors should you take into account when selecting car headlights? 1. Choose the right headlight source The mainstream headlight sources on the market are halogen, HID xenon and LED … Read more

What Is the Price Range for Entry‑to‑Mid‑Range Car LED Headlights

Entry‑to‑mid‑range car LED headlights cover a wide price spectrum from several hundred to several thousand yuan. The final cost depends heavily on upgrade solutions, product specifications, brand selection and installation labor fees.Simple LED bulb replacement (direct swap for original halogen bulbs)Budget no‑name LED bulbs: 100‑300 yuan per pair.Mid‑range domestic brand bulbs: 300‑600 yuan per pair.Entry‑level … Read more

Difference Between LED Lights With Lens and Without Lens

A headlight lens is essentially a convex lens with light‑focusing capability. When parallel light passes through a convex lens, it converges at one focal point. Conversely, if we place a light source at the focal point, the convex lens will convert the light into parallel beams.For lens‑type LED headlights, the reflector gathers light from LED … Read more