JS Hardware, founded in 1974, is the largest manufacturer of hardware and fittings for transmission lines and substations in China. All manufacturing and test is done at our 20 acre campus located in Jiangdu City which is ISO 9001 compliant. We offer a broad product line to accommodate any transmission hardware application. Among other achievements, our products have been installed on over 5000 miles of SOOkV transmission line with zero failures to date.