Shenzhen Greetwin Technology Co., Limited was established in City of Shenzhen ,Guangdong Province in 2005,After 10 years effort and development, at the moment we have become one of the leading supplier of Cell Phone Jammer and Bomb Jammer.
with manufacturing,sales and technical after-sales service as a whole,engaged in professional RF Jamming products.
We have high-quality professional technicians and advanced modern production equipment.
All of the products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
We take technical support very seriously. In fact, Greetwin employs as many technical staff as we do salespeople. Buying from Greetwin provides direct access to our team of experts who are involved in every aspect of product development - from design and testing, to support.
The qualified rate > 99.9%,
User Satisfaction rate > 99.9%