China Shenzhen Toppo company have prime,deluxe,kernel,standard and bi-color five series.Different series have differnet lumen efficacy, prime series is 120-125lm/w, deluxe series is 110-115lm/w,kernel series is 90-100lm/w and standard series is 80-85lm/w.Send InquiryChat Now
1.How to explain “lumen output “ ?
The total lumens emitted of a light source, system, or solution.
2.Do you have the ability to do independent and development ?
Our engineer department have 15-20 people. We have the research and development capabilities. We also collect regularly each customer feedback. We have product improvement and new product development. We also hold monthly new product launches.
3.What’s Power factor ?
The active power divided by the apparent power (i.e product of the rms input voltage and rms input current of a driver.)Toppo Lighting is one of the leading china recessed panel lights fluorescent manufacturers and suppliers in China, which is equipped with a productive factory. Welcome to import the newest china recessed panel lights fluorescent at competitive price with us. We can also offer you customized service.