Jinan Chenji International Trading Co., Ltd. (CHENJI) is a manufacturer and exporter of precision springs and railway fastening components based in Jinan, Shandong Province, China. We combine 20+ years of manufacturing experience with international trade expertise to serve customers in more than 40 countries.

Our product lines cover helical springs u2014 compression, extension, torsion, wire forms and disc springs u2014 as well as complete railway fastening systems including fishplates, spikes, rail clips, insulated rail joints and track bolts. Every product is manufactured under strict quality control and can be customized to your drawings and specifications.