
2022
Member unit of Henan Provincial Environmental Protection Industry Association

2021
Class A qualification for the design and construction of air pollution control projects, first-level qualification for the design, construction and maintenance service of environmental protection equipment, third-level qualification for environmental protection engineering professional contracting, 4 national authorized patents, and registered Yixin trademark.

2020
Member unit of China Foundry Association, 9 national authorized patents

2018
High-tech enterprise, Luoyang Enterprise Research and Development Center, technology-based small and medium-sized enterprises, science and technology innovation award, 9 national authorized patents

2017
Listed on the New Fourth Board, and the vice president unit of Luoyang Environmental Protection Industry Association

2016
Party branch

2015
Established a research and development center

2013
Obtained AAA-level credit management demonstration unit, AAA-level quality service credit unit, AAA-level contract-abiding and credit unit, and AAA-level credit supplier

2012
Established a "production-education integration school-enterprise cooperation base" cooperation relationship with Luoyang Institute of Science and Technology, and the Luoyang Yixin Environmental Protection Technology Co., Ltd. Party Branch

2011
The company passed the ISO9001 quality management system certification, ISO14001 environmental management system certification, and OHSAS18001 occupational health management system certification

2010
Restructured and reorganized into Luoyang Yixin Environmental Protection Technology Co., Ltd., and the Luoyang Yixin Environmental Protection Technology Co., Ltd. Trade Union Committee

2005
Registered Lanxin trademark

1997
Luoyang Lanxin Environmental Protection Engineering Co., Ltd.

1992
Xin'an County Environmental Protection Equipment Factory

1984
The company established Xin'an County Silencer Factory