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From March 5 to 6, 2016, the company passed the reexamination of the manufacturer's capability of standard materials/standard samples by the China National Accreditation Committee for Conformity Assessment.
last：On May 27, 2015, the State Quality Inspection and Quarantine Letter [2015] 235 of the State Administration
next：On March 29, 2016, our project "Standard Samples of Silicon Carbide for Refractory Materials and Silicon
