The cooling is very important for cell phone jammer

 The cooling is very important for cell phone jammer .
Panel manufacturers are Taiwan and the Japanese and Korean manufacturers, including Samsung, Samsung SDI, BOE, Sharp, Epson Sanyo, Toshiba Matsushita Display, Sony Toyota ST-LCD. Taiwanese manufacturers AUO and Wintek. Due to a large number of new production line to join the panel prices fall, the manufacturer's gross profit margin down. About 10%. Electro-acoustic components manufacturer: Panasonic parts, the Hosiden star power can be a new Japanese Foster Electric, Merry, Philips, Mellon, Chi Feng, Sherwin, Knowles Acoustics,, Jiangsu Yuanyu Electronics, Shenzhen Lingjia source electronic Hangzhou, Ningbo Xiangyang Group and Zhejiang Tianle Group. Relatively low gross margin, such as Taiwan's largest law in the third quarter of 2006 gross margin of less than 7%. Some cell phone jammer have some special cooling design.
Batteries, BYD, SCUD, Sanyo Energy, Sony Chemical, TCL payment. This is the highest field of market concentration, and Japanese manufacturers rely on advanced technology and production line more than 1 billion yen. Chinese companies rely on cheap labor to replace the high cost of production line. BYD and Sanyo Energy, aggregate market share of over 50%. Gross profit margin of about 15%. Chinese mainland mobile phone LCM manufacturers. According to Pakistan media reports, China's mobile phone use in Pakistan more than one phone share a single IMEI number of the phenomenon, for the Pakistan Telecommunication Authority (PTA) according to customer requirements to disable a particular IMEI number, resulting in hundreds to buy China mobile phone user communication interruption.
This is mainly due to: increased quality problems of the domestic mobile phone. The main components of the domestic mobile phone enterprises rely on imports, affordable products and complete sets of parts imported mobile phones, in part, low added value, poor quality, affecting the overall quality of the products of domestic brands. Market share is climbing at the same time, the rate of complaints of domestic mobile phone has also been high. Domestic brand mobile phones lack of core technology, the development of the control of others. Research and development of the domestic mobile phone enterprises is limited to the shape design and local enhancements, dedicated chip, the underlying software, LCD color screen, cameras aspects of R & D capabilities is relatively weak.  It is noteworthy that, color screen, rotary voice and MMS, the emergence of innovative appearance and functionality of mobile phone products, has given rise to a new batch of "chasing the new family".