We are unique company with unique technology and products. We have core technologies in GPS/Bluetooth high power efficiency, high voltage partial discharge testing method and technology. We only provide unique products in market: 1. GPS lock for sharing bike has three unique characters in market: 1) no need solar panel (1 non-chargeable battery can work more then 4 years); 2) has RFID unlock function; 3) high reliability (<0.2% failure rate). 2. Our partial discharge test has three breakthroughs in technology: 1) new calculation method is more fast and more accurate; 2) 200M sampling times per second; 3) As small as laptop. 3. Our electrical piles for sharing bike will be implemented in major cities in China. We believe non-pile sharing bikes will also be popular in US and Europe. Electrical piles will be necessary for non-pile sharing bikes. Welecome follow our company in Linkin, you will get new technology informaiton about sharing bike industrial, partila discharge testing and so on.