PBcX machine for coupon exchange, the precision marketing tools for online platform with block chain technology. Through recording the coupon exchange paths to find the potential customers.
 

Be app center to put the rarely used application on your cloud phone. No need to remove it and install again when the storage is run out. Silicon Xpandas has special streaming technology, capable to real-time control and return response.  
 

Suitable for light computing, high frequency of calculation and access, such as Product traceability and Contract transaction. Cooperate with decentralized storage to maximize the efficiency of cloud computing and storage resources.