Jan 05, 2013
QuartzProducingExpert
ISO9001 ISO14001,OHSAS18001
Min tolerance+/-0.2mm
clear crucible, crucible, quartz glass crucible
Company: Donghai Shengda Quartz Products Co., LtdCertification: ISO 9001, ISO14001, OHSAS18001 Advantage: cost price controlled well, high precision, good...