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| Beijing Golden Rainbow Silicon Nitride Company ( BGR) is a national high and new technology enterprise which develops and manufactures silicon nitride bonded silicon carbide （Si3N4–SiC）products, for example; riser tube, heater sheath, slurry pump parts, desulfurizer nozzle. The products are of high temperature, excellent corrosion and abrasion resistance. BGR is a famous enterprise integrating scientific research, |
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manufacturing, marketing and serving. Because of leading technical capability in specialty field, advanced production equipment, unique production technology, complete examination device and scientific management system, in May 2005 BGR was issued national patent (No. ZL 2004 0001097.X).In 2006 BGR passed ISO 9001 inter2 national quality system certification.More<<< |
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