Linyi Zhongchen Chuanglian Electronic Technology Co., Ltd. was established in October, 2008, located in Linyi city, Shandong Province, China. Our own factory covers 8000 square meter, which had developed unique outlook of AM Acoustic Magnetic Anti-theft System. And the company sales group consists of more than eight people. Moreover, six production lines in factory can product abundant products every day that can be exported to the whole world for many years.In order to guarantee the after-sale quality, we keep a professional after-sale group to give you answer when you need.