Changzhou Lianyi Engineering Technology Center is a research and development department mainly focused on high-performance special precision steel pipe manufacturing technology. It currently has 35 professional technical personnel, including 3 senior engineers and 7 intermediate engineers. The Technology Center has long hired renowned experts from companies such as the General Institute of Iron and Steel Research and Baosteel Special Steel as its technical consultants, and has also established long-term industry university research cooperation relationships with higher education institutions such as Beihang University and Northwest Nonferrous Metals Research Institute.

The Technology Center established the "Jiangsu GDI Engine Fuel Distribution Pipe Engineering Technology Research Center" in 2017, equipped with the full process pipe making equipment for steel pipes and advanced testing and analysis instruments. It has the ability to conduct physical and chemical testing and non-destructive testing for various types of metal pipes, and can conduct various physical and chemical testing analysis and non-destructive testing according to national testing standards. The testing center under the Engineering Technology Center passed CNAS laboratory certification in April 2023.