Отправлено L.A. 20 марта 2003 г. 19:16

http://www.asia.globalsources.com/chequers.co
As one of the largest manufacturers and earliest developers of piezoelectric ceramic devices and quartz crystal units in mainland China, we have the technology as well as specialized equipment needed in producing quartz crystal units, ceramic filters and resonators with great precision that meets our customersв€™ requirements.

• http://www.asia.globalsources.com/chequers.co