China Factory Patent Design Smart Temperature Thermoses Insulated Water Bottle

China Factory Patent Design Smart Temperature Thermoses Insulated Water Bottle. Smart Temperature Control: Patent design with 24-hour insulation for hot and cold beverages. Food Grade Safety: Made of 316 stainless steel, BPA free, and eco-friendly for safe drinking. Custom Logo Printing: Supports laser engraving, silk screen, 3D, and heat transfer customization. Fast Sample Delivery: Stock samples available within 1 day; custom samples in 1-3 days. 100% Quality Inspection: Every product undergoes visual inspection before shipment to ensure quality. Versatile Usage: Suitable for in-car, indoor, office, outdoor, travel, gym, and sports. Professional Manufacturer: Direct factory in Dongguan with R&D, 3 production lines, and global export. Certified Quality: Products certified with LFGB and CE standards for international markets.