专注高纯石墨粉，低灰高纯，批次零波动
Specialized in High-Purity Graphite Powder｜Low Ash, Consistent Quality Across Batches
Hebei Aochang Carbon Co., Ltd
Phone: 15801222361
Email: info@carbon-vip.com
Address:Jingheng North Street, High tech Zone, Hengshui City, Hebei Province1100number
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