Buy 12OZ Stainless Steel Vacuum Tumbler Our History Established in 2005, Ningbo SH Tech factory is one of the leading designers and manufacturers of a professional line of drinkware, houseware and kitchenware products such as tritan water bottle, shake bottle and food container etc. We then built Hefei SH in making silicone bottle and container in 2007 and Wuyi SH bottle factory in manufacturing stainless steel vacuum bottle in 2012, and Shenzhen SH Tech factory in 2018 for kitchen appliance etc products. http://www.shtech-professional.com/