High Borosilicate Glass Coffee Mugs Thermal Double Wall Glass Cup with Handle

High Borosilicate Glass Coffee Mugs Thermal Double Wall Glass Cup with Handle. High Borosilicate Glass: Made of high borosilicate glass with thermal expansion coefficient of 3.3 for heat resistance. Multiple Certifications: Certified by FDA, LFGB, ROHS, REACH, and SGS for food safety. OEM Customization: Offers customized designs, sizes, and packaging to meet specific requirements. High Production Capacity: Daily production of 10,000 pieces and annual capacity of 3,000,000 pieces. ISO9001 Certified: Manufactured under strict ISO9001:2015 quality management system. Global Export Experience: Exports to major markets including USA, Germany, UK, Japan, and Canada. Sample Availability: Samples available for testing and quality verification before bulk orders.