1990, Company established Funing Zhengda Fibreglass Co.,Ltd.It's the biggest filter cloth production enterprise in China.
1996, The company's production line has been expanded and a new branch company established Jiangsu Senyuan Fibreglass Co.,Ltd.
2001,The company build over 10 production lines and increase over 100 salemen.The company changed to Jiangsu Zhengda Senyuan Group.
2006, Obtained the ISO 9001:2008 Quality Management System Certification .
2007, Set up Hefei New Air Trading Company for export filter cloth,filter bag,filter cage,filter cartridge and filter fittings.
2008，Obtained“ AAA super class bank credit enterprise ”.
2009, Obtained “The Most Competitive Brand In China”.
2010, Become the most popular filter manufacturers and exporters of central China.
2011,The chairman of the board was elected deputy to the 10th and 11th National People's Congress of Jiangsu Province.
2012, Became the most reliable and trustworthy integrity manufacturing enterprises, products exported to more than 130 countries and regions.
2013, Get approval to apply for “High-tech Enterprise” and gained three patents.
2014, Anhui Filter Environmental Technology Co.Ltd.built.Products exported to over 180 countries.
2015, Won the honor of "high-tech Enterprises".