2013-7-11LED Patio、Pedant Light has got the pattern “M 457127”。
2014-11-03We do modified & changed our company English name as “
Qing Yu Hsu’s Inc.”。
2015-11-18It's our great honored to announce that our
COB Lights Engine Lumen Flux has a bigger improvement & up to 120 Lm@3,000K & 130 Lm@5,000K which are under more than 18 months (13,000 hours) continueously test results.
2016-2-3It's our great honored to announce that our new 400W Multipurpose
Lights ML-BL400A1 has completed test passed, particularly to meet our original R&D specification target, and have marketing & sales from today.
2019-1-18
It's our great honored to announce that our COB Lights Engine Lumen Flux has a bigger improvement & up to 140 Lm@3,000K & 150 Lm@4,500K.
Pattern Certificates

