WUZHOU, GUANGHXI ZHUANG, CHINA -- Apple reportedly has cut ties with one of its printed circuit board makers here following a spate of violations involving use of underage workers.

Apple is said to have ceased a outsourcing certain work to Guangdong Real Faith Pingzhou Electronics (PZ) following the discovery of 74 cases of underage workers. Audits also revealed a series of forged documents involving underage workers.

PZ supplies LED components and assemblies.