Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding MachineAbout us Shenzhen Kelvin Electronics Co., Ltd, is a Radio Frequencyexpert which was founded in 2006. We have an experiencedand professional R&D team include hardware and softwareengineers, can finish entire development ofnew productsfrom PCB layout and program writing to mass production.As a high-tech company, we have obtained over 30 patentsin the past years, and some of them are initiative that leadthe development of whole industry.Our products are divided into 3 series which areStandards-compliant (KelvinReg), Long-range(KelvinLoRa),and Paging system(KelvinRF).Series Standards-compliant (KelvinReg) comply to localstandards, use original components and produced byadvanced production technology.Series Long-range (KelvinLoRa) have higher-powertransmitters and more.sensitive receivers. The longestdistance reaches 31000m in real test. Series Paging system (KelvinRF) is widely used in manyfamous chain restaurants. We also have the fastest-risingmodel on eCommerce platform.