longhua, Shenzhen, Guangdong, China

I am Andy from Shenzhen Longhorn Industrial Co.,Ltd We are a big security product manufacturer in China established in 1995. with certificate ISO9002 of TUV (Germany) in 1998. We also have past ISO900...

laohutai Road, Shanghai, Shanghai, China

Established in 2002, Shenzhen Longsin Intelligence Technology Co., Ltd. is a high-tech enterprise specializing in the whole process of research, development, manufacture and marketing of two main cate...