Greetwin

Why Choose Greetwin®
Greetwin® is a leading reseller of several cell phone signal booster manufacturers. We're an accredited BBB business led by industry veterans. We honor our customers and guarantee uncompromising operational effectiveness.
Be Sure They Can Make The Call
Commercial Design & Installation Services
How Greetwin® Signal Booster Works
1.The Outdoor Antenna captures the cellular signal from the outside of your building and sends it into the Cellular Booster.

2.The Greetwin® Cellular Booster amplifies your signal and sends it to your Indoor Antenna.

3.The Indoor Antenna distributes your new strong signal in your troubled area, so you can enjoy crystal clear phone calls and lightning fast data speed.
Greetwin Travel Activities
2021.06.02
On May 22, Our Greetwin employees carried out a tourist activity. The activity not only provided everyone with a chance to relax, but also felt the joy of a harmonious team life while enjoying the beauty of nature to their fullest, which enhanced the depa
Greetwin Travel Activities
2021.06.02
On May 22, Our Greetwin employees carried out a tourist activity. The activity not only provided everyone with a chance to relax, but also felt the joy of a harmonious team life while enjoying the beauty of nature to their fullest, which enhanced the depa
Alibaba March Purchasing Festival
2021.03.31
At the end of March, the circle battle ended. With the joint efforts of all staff, Guanwei Communication exceeded the performance goals set at the beginning, with a total performance completion rate of 422%, and produced 1 million heroes! Guanwei Communic
Alibaba March Purchasing Festival
2021.03.31
At the end of March, the circle battle ended. With the joint efforts of all staff, Guanwei Communication exceeded the performance goals set at the beginning, with a total performance completion rate of 422%, and produced 1 million heroes! Guanwei Communic
at war with Coronavirus
2020.03.25
To prevent coronavirus.  GREETWIN Tech offers face masks for free.  to help affected countries, Spain, Netherland, Italy, Iran, etc.
at war with Coronavirus
2020.03.25
To prevent coronavirus.  GREETWIN Tech offers face masks for free.  to help affected countries, Spain, Netherland, Italy, Iran, etc.