Establishment of the company, specializing in the design and manufacturing of filtration products for seawater desalination, power plants, and industrial process water and gases.
2004
Attained self-operated import and export rights, venturing into the international market.
2005
Achieved ISO 9001 quality management system certification; became a member of China Petrochemical Corporation (Sinopec).
2008
Awarded ASME U-Stamp certification; became a member of China National Petroleum Corporation (CNPC).
2010
ISO 14001 environmental management certification obtained.
2012
Became a supplier to Saudi Basic Industries Corporation (SABIC); established our in-house filtration testing laboratory.
2014
Establishment of the stainless steel products department; became a supplier for ACCIONA AUGA and Samsung SDI.
2015
Successful development of a new 40" integral framework for high-flow filters and the "W" foldable structure; collaboration with General Electric on new energy products.
2017
Opened offices in Saudi Arabia and the United Arab Emirates; registered capital increased to 26 million RMB.
2018
Awarded 4 patents.
2019
Expansion to a new 10,000 m2 factory with modern cleanroom facility, advanced laboratory infrastructure, and over 10 production lines; obtained 8 patents.
2020
Pullner filter cartridges have been distributed to over 100 countries worldwide, with establishment of dealerships and service centers in various nations.
2021
Became a qualified supplier for Saudi Aramco; established a long-term partnership with DEWA.
2022
Established a subsidiary in Dubai, United Arab Emirates.
Industrial Filter Cartridge Manufacturer 
