info What are the purchasing skills of vacuum cup? The vacuum insulation cup is generally made of stainless steel and vacuum layer to hold water. The top has a cover and is tightly sealed. 2023年3月13日
info Popularization of PPSU material knowledge PPSU is a healthy material that can directly contact with food, with high transparency and high hydrolysis stability. The PPSU product can undergo repeated steam 2023年3月13日