Zhengzhou Kema Movie-TV Opto-Electronics Co., Ltd. is a high-tech enterprise specialized in researching,developing,manufacturing and distrubuting LED on-camera lights, lithium-ion battery packs for camcorders, battery chargers and related camcorder accessories for many camera professionals and TV studios around the world covering broadcasters and event videographers. In 2003, lithium-ion battery packs for camcorders and battery chargers are applied on the market. In 2004, lithium-ion battery packs for camcorders and battery chargers were brought out and got the national 3 patents. In 2005, Digital lithium-ion battery project got the financial support of national science and technology projects. In 2006, lithium-ion battery packs for camcorders and battery chargers got through CE certificate and opened the Europe, Japan and the East North Asia market. In 2007, LED camera news lights project got the financial support of national science and technology projects, we attended the IBC Exhibition in Netherlands firstly and attended it every from this year on. In 2008, LED camera news light about 1200 series, 1800 series were brought out on the market and got 3 national patents, and got through CE&RoHS certificates; at the same time, we were a self-management import and export company in this year. In 2009, LED camera news lights about 900 series were brought out on the market and got 2 national patents. Firstly attend the NAB Exhibition in America and INTEBEE Exhibition in Japan,and we visited them every year from this year. In 2010, LED panel film lights about 5500 series were brought out on the market and got 3 national patents. LED panel film project got financial support of national science and technology projects. firstly attended BCA Exhibition in Singapore, and we visited it every year from this year on. In 2012, CM-PL200 series digital LED studio floodlight was brought out and got 2 patents.