BEIJING (AP) — A Chinese magazine’s report on abuses at a notorious labor camp is giving reformers added ammunition in a campaign to abolish a part of the penal system that China’s government says needs change.

The report this week in Lens magazine documents the long hours worked by female inmates at the Masanjia labor camp and the punishments for breaking rules or not meeting production quotas for cutting fabric, making button holes, sewing and ironing clothes for apparel makers.