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Premium Quality 80-120mm Calcium Carbide for Steel Production. High Gas Yield: Typically 295L/Kg to 310L/Kg for 80-120mm particle size. Strict Quality Control: Multi-stage sampling testing and air pressure drum sealing checks. International Certifications: Products certified by SGS, BV, and ISO standards. Fast Delivery: Usually within 20 days after receiving deposit or L/C. Large Production Capacity: Monthly production capacity of 6000 tons. Factory Direct Supply: Own factory in Ningxia with independent import/export rights. Customizable Sizes: Available in 80-120mm, 50-80mm, and 25-50mm sizes. OEM/ODM Services: OEM and ODM services are available for custom needs.