Semi-graphite Petroleum coke

Lus piav qhia luv luv:

Tsau carbon: 98% 98.5% min
Sulphur: 0.1% 0.2% 0.5% 0.8% Maxmax raws li cov neeg siv khoom xav tau


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Khoom cim npe

Cov duab 20250519115111



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