This is the price inquiry on Taobao in China：230yuan
Product Features
Compact size and low cost
The port is located outside for easy wiring
Easy and fast installation of guide rails
Provide RS485 communication interface
V/F control with built-in PID control
Optional external keyboard
From the Internet.Publisher：writer，Please indicate the source when turning around：https://www.machinery-agent.com/Hardware_tools/2171.html
