GT Solar President Tom Gutierrez
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Blue headset: Speaker: 40mm drive unit
Red one headset: cable material:2.5/4C PVC enameled wire
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GT Solar said the order is a huge milestone for the company to become a leader in the fast-growing LED industry, and the order will be included in GT Solar's current reserve order for the first quarter of fiscal 2012 as of July 2, 2011. . 
On April 27th, GT Solar signed a strategic cooperation agreement with Guiyang Industrial Investment (Group) Co., Ltd. and signed a purchase contract for the 21888 million sapphire crystal growth furnace with Guiyang Haotian Optoelectronics Technology Co., Ltd., a wholly-owned subsidiary of Guiyang Industrial Investment Co., Ltd.
According to the monitoring data of the High-tech LED Industry Research Institute (GLII), as of May this year, there were 12 new sapphire substrate projects in China, with a total planned investment of 19.62 billion yuan.
The hot trend of domestic investment in sapphire substrates continues. Even Pei County, a small county in Xuzhou, is paying close attention to the investment project of sapphire substrates. The annual production of 30 million LED sapphire crystals and slicing projects will start in July this year. Construction, equipment installation and commissioning in September, 8 sets of LED sapphire crystal growth furnaces in the first phase before the end of the year were completed and put into production.
Gaogong LED believes that GT Solar's good business will continue. 
Frequency response: 20-20KHz
Plug diameter :3.5mm
Cable length:1.2m
Type:headset
PVC 2.0/4C(8*0.08)cable L=140CM
weight:146g/216g
Sensitivity: 115dB
Impedance: 28 ohms
Colour: Black
cable length:1200±30mm
material:ABS +PP
Plug:3.5 four-pole vinyl 4.5 gold-plated plug stereo
Wire box function: audio controller can adjust the volume, microphone switch function
Speaker specification:40MM
Speaker Resistance:28Ω
Speaker frequency range:20Hz-20KHz
Microphone specification:6*5MM
Microphone sensitivity:-52dB
Microphone frequency response:20Hz-20KHz
weight:227g 300g with box
GT Solar Receives $460 Million Sapphire Crystallizer Order
[High-tech LED News] GT Solar International, Inc. (NASDAQ: SOLR) The recent sapphire crystal furnace business is hot, and on June 7 the company has received the largest single order to date - one New Chinese companies entering the LED industry have an order for advanced sapphire crystallizers with a total price of US$460.4 million. GT Solar did not disclose the specific name of the company.