However, the two processes have little impact on the use and insulation performance of insulation cups. There is not much difference between these two stretching processes in terms of the use and insulation performance of insulation cups. The difference lies in the raw materials, which is reflected in the significant difference in purchase price. The overall stretching insulation cup is more expensive than the welding stretching insulation cup, but this does not affect the use and insulation performance. Senhua is a manufacturer of insulation cup and kettle series, leisure sports water kettle series, and children's water kettle series in China. Our main products include insulation cups, vacuum insulation cups, stainless steel insulation cups, etc. Customized insulation cups are also a major feature of our company. With 20 years of production experience and assurance, we ensure the quality of each product.