What is LED and its advantages
- https://www.haichanglight.com/what-is-led-and-its-advantages.html
- Haichang Optotech Co., Limited
Light emitting diodes (LEDs) are solid-state lighting components. Each individual LED consists of a semiconductor diode that emits light when a voltage is applied...
- 10 Years, 4 Months ago
- 1133 views
- LED Lighting FAQ
Difference between isolated driver and non-isolated driver
- https://www.haichanglight.com/difference-between-isolated-driver-and-non-isolated-driver.html
- Haichang Optotech Co., Limited
The isolated power supply use a transformer to transform AC110V or AC220V voltage down to a lower voltage, then rectified into DC output. Because the primary coil...
- 10 Years, 7 Months ago
- 1207 views
- LED Lighting FAQ
Warranty Policy
- https://www.haichanglight.com/warranty-policy.html
- Haichang Optotech Co., Limited
1. This warranty policy is valid for all LED lighting products manufactured by HAICHANG OPTOTECH CO., LIMITED (“HAICHANG OPTOTECH” in short). 2. HAICHANG...
- 10 Years, 7 Months ago
- 745 views
- Service FAQ
FAQ about our service
- https://www.haichanglight.com/faq-about-our-service.html
- Haichang Optotech Co., Limited
Why HAICHANG OPTOTECH? - HAICHANG OPTOTECH is one of the leading LED lighting and LED display manufacturers and exporters in China. We started our business since...
- 10 Years, 8 Months ago
- 995 views
- Service FAQ
5 Modulars LED High Bay
- https://www.haichanglight.com/5-modulars-led-high-bay.html
- Haichang Optotech Co., Limited
Haichang Modular series LED High Bay Lights,designed to replace HID lamps, are made of aluminum alloy and Lumileds high power LEDs. Adopting modular design, different...
- 8 Years, 7 Months ago
- 268 views
- Modular LED High Bay Light
4 Modulars LED High Bay
- https://www.haichanglight.com/4-modulars-led-high-bay.html
- Haichang Optotech Co., Limited
For detail product features, please download above PDF or visit this page: https://www.haichanglight.com/modular-led-high-bay-light.html Electrical, Photometric...
- 8 Years, 7 Months ago
- 173 views
- Modular LED High Bay Light
3 Modulars LED High Bay
- https://www.haichanglight.com/3-modulars-led-high-bay.html
- Haichang Optotech Co., Limited
For detail product features, please download above PDF or visit this page: https://www.haichanglight.com/modular-led-high-bay-light.html Electrical, Photometric...
- 8 Years, 7 Months ago
- 63 views
- Modular LED High Bay Light
2 Modulars LED High Bay
- https://www.haichanglight.com/2-modulars-led-high-bay.html
- Haichang Optotech Co., Limited
For detail product features, please download above PDF or visit this page: https://www.haichanglight.com/modular-led-high-bay-light.html Electrical, Photometric...
- 8 Years, 7 Months ago
- 68 views
- Modular LED High Bay Light
1 Modular LED High Bay
- https://www.haichanglight.com/1-modular-led-high-bay.html
- Haichang Optotech Co., Limited
For detail product features, please download above PDF or visit this page: https://www.haichanglight.com/modular-led-high-bay-light.html Electrical, Photometric...
- 8 Years, 7 Months ago
- 57 views
- Modular LED High Bay Light
150W Fin LED High Bay IP65 Airflow Design for Warehouses Lighting
- https://www.haichanglight.com/150w-fin-led-high-bay-ip65-airflow-design-for-warehouses-lighting.html
- Haichang Optotech Co., Limited
The 150W LED high bay with Airflow design is housed by Fin shape aluminum. The special housing structure also enables rain water dropping out of the light fixture...
- 8 Years, 7 Months ago
- 63 views
- FIN series LED High Bay