The company's profits are likely giving an overly generous impression of its sustainable level of profitability due to the boost from unusual items and the lack of free cash flow. The high accrual ratio also raises concerns about future profitability.

The high P/E ratio of Long Young Electronic (Kunshan) is justified by its superior earnings outlook. Shareholders are confident about the company's future earnings and it's unlikely that the share price will fall significantly in the near future.

The declining ROCE trend and the increase in capital employed despite falling returns and sales are concerning. Long-term shareholders have seen their investments remain flat over the past year. It may be advisable to consider other investment options.