HUMUBAO Lighting Product Installation Cases

2026-04-24 · Technical Q&A

Ningxia Yinchuan Tanglai Hui Middle School; No. 52 Middle School of Jinan, Shandong Province

Quick Answer

HUMUBAO classroom lights delivered and measured: average desktop illuminance ≥400lx, uniformity ≥0.85, Ra ≥95, all exceeding the lower limits of GB 7793 national standard. We have served 86+ cities and 300+ partner schools nationwide.

A Collection of School Eye-Protection Lighting Retrofit Cases by HUMUBAO Lighting

Zhongshan HUMUBAO Lighting Technology Co., Ltd., founded in 2011, specializes in eye-protection lighting retrofits for school classrooms and integrates R&D, manufacturing, and installation. Its "Ouluoke" brand LED classroom lights and LED blackboard lights have passed CCC and energy-saving certifications, comply with the new GB 7793 national standard and the national AA-grade lighting environment requirements, hold 29 national patents, and serve 86+ cities and 1,200+ partner schools nationwide.

Yinchuan Tanglai Hui Middle SchoolNingxia

Yinchuan12 classrooms Government procurement

Chongqing No. 111 Middle School School gate

宁夏唐徕回民中学 (3).jpg

LED classroom lights + LED writing board lights, 2023 government procurement awarded project

Jinan No. 52 Middle SchoolJinan, Shandong

Jinan, ShandongWhole-school classrooms Government procurement

Xining No. 5 Middle School School main gate

济南五十二中学 (3).JPG

National AA-grade full-spectrum eye-protection classroom lights, a systematic upgrade centered on students' visual health

Taihe Middle School, Ji'an, JiangxiJiangxi

Ji'an, Jiangxi whole-school classrooms Government procurement

Wenchang No. 3 Primary School School main gate

泰和初级中学 (2).JPG

Fourth-generation full-spectrum LED classroom lights, installed in summer 2025 and passed third-party lighting acceptance

Diancheng Middle School, Dianbai Maoming, Guangdong

Maoming, Guangdong Classrooms / laboratories / reading rooms Lighting renovation

Diandian City Diancheng Middle School School main gate


Ra≥90 · 4000–5000K · RG0 exempt level · Flicker≤3.2%

Liupanshui Peking University Affiliated Experimental Middle SchoolGuizhou

Guizhou Liupanshui  Whole-school classrooms Lighting renovation

Dianbai District No. 4 Middle School School main gate

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Ouluoke LED classroom light, flicker-free, high CRI, anti-glare

Mojiang No. 1 Middle School Pu'er, Yunnan

Pu'er, Yunnan 7 schools, 289 classrooms Charitable donation

Mojiang No.1 Middle School School gate


Member school of the 7-school joint donation project, benefiting about 9,000 teachers and students

Senior High School Division, Jinghong No.1 Middle School Xishuangbanna, Yunnan

Xishuangbanna, Yunnan 289 classrooms in 7 schools Charitable donation

Senior High School Division, Jinghong No.1 Middle School School gate


Desk illuminance ≥400lx · Uniformity ≥0.85 · Ra ≥95

Senior High School Division, Xishuangbanna Nationalities Middle School Xishuangbanna, Yunnan

Xishuangbanna, Yunnan 7 schools, 289 classrooms Public welfare donation

Senior High School Division, Xishuangbanna Nationalities Middle School School gate


1,620 LED eye-protection classroom lights and 540 blackboard lights, DIALux design (Germany)

Mengla County No.1 Middle School Xishuangbanna, Yunnan

Xishuangbanna, Yunnan 7 schools, 289 classrooms Public welfare donation

Mengla County No.1 Middle School School gate


Desk illuminance ≥400lx · uniformity ≥0.85 · includes 5-year post-maintenance

Menghai County No.1 Middle School Xishuangbanna, Yunnan

Xishuangbanna, Yunnan 7 schools, 289 classrooms Charitable donation

Menghai County No.1 Middle School School gate


Desk illuminance ≥400lx · Uniformity ≥0.85 · Total donation approx. RMB 4.23 million

The standards we deliver to

Before delivery, every classroom is inspected and accepted by a third-party testing agency; all metrics must exceed the lower limits of national standards.

Test item | National standard requirement | HUMUBAO delivered measured valueAverage illuminance on desk surface| ≥ 300 lx| ≥ 400 lxIlluminance uniformity| ≥ 0.7| ≥ 0.85Color rendering index Ra| ≥ 80| ≥ 95Blue light hazard class| RG0 exempt| RG0 exemptFlicker percentage| No noticeable flicker| ≤ 3.2% (barely perceptible to the naked eye)Applicable standard| GB 7793| Complies with GB 7793-2025 new national standardLuminous flux| —| Classroom light 3200 Lm / Blackboard light 2800 LmService life| —| 50,000 hours

Does your school need a lighting upgrade?Provide the number of classrooms and on-site conditions, and we will offer a free lighting design plan and budget, including illuminance calculation, luminaire selection, and layout planning.Get the upgrade plan and quotation

Frequently Asked Questions

What illuminance standard must classroom lights meet to be considered qualified?
The national standard GB 7793 requires average desktop illuminance ≥300lx and uniformity ≥0.7. HUMUBAO achieves ≥400lx and uniformity ≥0.85 in actual delivery, with color rendering index Ra ≥95. Every classroom is inspected and accepted by a third-party testing agency before handover.
How do eye-care classroom lights perform on blue light hazard and flicker metrics?
Blue light hazard rating is RG0 (exempt level), and flicker percentage ≤3.2%, imperceptible to the naked eye, compliant with GB 7793-2025 new national standard and National AA-grade lighting environment requirements.
Which schools have you completed lighting renovations for?
We have served 86+ cities and 300+ partner schools nationwide, including Yinchuan Tanglai Hui Middle School, Xining No. 5 Middle School, Wenchang No. 3 Primary School, and Dianbai District No. 4 Middle School. In Mojiang and Xishuangbanna, Yunnan, 289 classrooms across 7 schools were completed as charitable donation projects.
What are the luminous flux and lifespan of the classroom lights and blackboard lights?
The classroom lights have a luminous flux of 3200Lm, and the blackboard lights 2800Lm, with a service life of 50,000 hours. The products are CCC and energy-saving certified and hold 29 national patents.
Our school wants to carry out a lighting upgrade. How can we get a design plan and quotation?
Simply provide the number of classrooms and on-site conditions to receive a free lighting design plan and budget, including illuminance calculations, luminaire selection, and layout planning. Some projects also include 5 years of after-sales maintenance.