关于我们

About Us

发展历程

  
1992
 
2009
 
2014
 
2016
 
2019
 
2020
 
2023
 
      
  • 1992

    Bigao founded

    1992
  •  
  • 2009

    Technology was established.

    2009
  •  
  • 2014

    Met Restructuring Listing: Stock Code 300128

    2014
  •  
  • 2016

    kunshan mai zheng founded

    2016
  •  
  • 2019

    Mai Zheng Intelligent was established

    2019
  •  
  • 2020

    Michael and Star was established.

    2020
  •  
  • 2023

    Riwin Environmental Protection Established

    2023
  •