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Chongqing,Chongqing,China China
used in the manufacture of II-VI compound semiconductors, photoelectric devices and glass semiconductor elements and as calibra Sulfur Used in the man
1. Directly from our factory----cheaper2. The best quality in Asia3. Good credit standing from our stated-owned enterprise Sulfur Used in the manufact
Persona de contacto Zhang Yumeng
Dirección Chongqing, Chongqing
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