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High-Purity Silica Sand for Transformer Oil Restoration. Customizable Packaging: Offers customized packing options including moisture-proof bags, drums, and jumbo bags. OEM/ODM Services: Provides full customization from samples, designs, and minor adjustments. ISO9001 Certified: Manufactured under ISO9001:2015 management system with strict quality control. Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season periods. Versatile Applications: Suitable for pharmaceuticals, petrochemicals, food, and environmental protection.