Premium Calcium Carbide 15-25mm Stones for Global Buyers

Premium Calcium Carbide 15-25mm Stones for Global Buyers. High Gas Yield: Typical gas yield ranges from 295L/Kg to 310L/Kg depending on particle size. Strict Quality Control: Multiple sampling tests, air pressure testing, and adherence to GB10665-2004 standard. Customizable Sizes: Available in various sizes including 80-120mm, 50-80mm, and 25-50mm. International Certifications: Products certified by SGS, BV, and ISO standards. Factory Direct Supply: Own factory in Ningxia with 6000 tons monthly production capacity. OEM/ODM Services: Customization services available for packaging and branding. Fast Delivery: Delivery usually within 20 days after receiving deposit or L/C. High Purity: Purity up to 99% with standard content specifications.