United States. According to Aiqicha, Stanley, the name of the brand kettle, originated from the United States. In 1913, William Stanley invented the all-stainless steel vacuum flask. (Stanley) is one of the world's top brands of thermal water supplies. Its quality and performance are recognized as leading in the entire industry. As the inventor of stainless steel thermos bottles, with a history of nearly 100 years, STANLEY is one of the iconic brands in the United States. , representing a century-old classic with consistent quality.