Ledman Optoelectronic Co., Ltd. is principally engaged in the manufacture and distribution of mid- and high-end light emitting diode (LED) products. The Company primarily provides LED packaging components, including in-line package LED series, surface mount device (SMD) LED series and other series; LED lightings, including lamp cup, bulb, lamp, spotlights, ceiling lights, can lights, street floodlights and others, and LED displays.
With over 160 companies falling under the coverage of the Index and with a combined market capitalisation of over 2.2 trillion Renminbi (US$370 billion), the China CleanTech Index presents a picture of the Chinese cleantech industry's growth in a single measure.
The best performing sub-indices for the month were the China Efficiency Index with a 28.9% gain and the China Waste Index with a 19.8% gain. The two weakest sub-indices through May were the China Solar Index with 24.2% loss on the back of the issues at Hanergy and the China Hydro Index with a 5.7% loss.
