ChangRun Superhard Material is a subcompany of ChangRun
Jin Thermoelectric Co., Ltd, while is also an exclusive dia-
mond manufacture that replied on electric power production in China. With 0.8 billion Yuan of total investment, the project of ChangRun synthetic diamond was put into production forma-
lly in February 2004, of which construction scale is 310 sets presses, and the annual
output will be reached to 0.3 billion carats after the whole presses
were put into production.
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