Featured in 1992 Asia Watch report on Chinese prison labor. Approximately 1,500 inmates. Jinzhou Prison 249 Yong'an Street, Jinzhou City Established in 1952, began manufacturing power transformers in 1953. Began making various kinds of furnaces in 1962. Area 55,000 sq.
Main products are low-loss power transformers, melting and vacuum furnaces.
Exports some of its products. Approximately 3,000 inmates. Haicheng Farm Machine Accessories Works Haicheng JOD Erdaohezi, Nantai, Haicheng County Established in 1960 in Lingyuan County. Moved in 1965 to current location. Mainly produces brake assemblies in all specifications.