It is P/B 0,015, diluting over 50% this year. Most OTC China stocks are scams of some sort. Siaf is no exception. The numbers are complete rubbish compared to their real life results.
They print and sell at 1,5% of the book value, management doesn't buy.
You can have papers done, take people on tour to somebody's(!) premises and have people market your stock on the internet.
But they can't print money and say it comes from businesses they don't have. They have to print shares and sell them.
They are not believable, they are broke, they dilute, they are Chinese agricultural tax free section company, most prone to being a scam. They are down -98%.
It doesn't get more obvious than that.