Under 16, ordinary employment is not a legal option in China: employers face RMB 5,000 per child per month
Students typically finish junior secondary school at 15 or 16, right around the legal boundary. Hiring someone under 16 for ordinary work is unlawful in China and carries a fine of RMB 5,000 per child per month. An employer willing to do it is knowingly breaking the law. If something goes wrong, you must pursue that employer for medical expenses and compensation; if it refuses to pay or disappears, there may be nobody to cover its obligations.