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custom made quartz glass rod
Selling leads
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... glass products in the market. The composition of K9 is as follows: SiO2=69.13% B2O3=10.75% BaO=3.07% Na2O=10.40% K2O=6.29% As2O3=0.36% The brand ...
2025-07-17 15:26:02
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Yantai ZK Optics Co., Ltd.,has passed ISO9001:2015 quality management system certification and SGS product testing certification; conducts technical ...
2025-08-03 00:12:31
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