Vacuum Flask, Sports Water Bottle, Thermos Bottle manufacturer / supplier in China, offering 500ml Hot Selling Custom Double Wall 316 Stainless Steel Sport Vacuum Coffee Tumbler, Portable 316 Double Wall Stainless Steel Coffee Thermal Travel Mug for Students and Adults, New Arrival Stainless Steel Vacuum Insulated 14oz Tumbler Cup Travel Mug with Handle and so on.