Three of the main reasons for these decreases in output were the continuing fall in demand for infrastructure refractory products; the stringent regime of environmental inspections in China that led to production stoppages at companies which failed to meet environmental standards; and supply shortages in mineral resources and refractory source material. The average profit margin for key refractory companies was only 2.4% while it was 6.2% for companies above the designated scale, meaning those with annual revenue of more than 20 million yuan ($3.02 million).
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