Samsung is facing accusations that the company deliberately tried to hide the employment of underage workers at a Chinese supplier, after a labor protection group said it found three girls under the age of 16 employed at the factory. On Friday, New York-based China Labor Watch said it had identified three underage workers at a factory operated by HTNS Shenzhen that assembles handsets for Samsung. The labor rights group, said it had checked the personal IDs of three workers, and also held discussions with them to verify their age.