During the production process, the metal skeleton is a crucial component, used to support the doll's body structure and allow it to have more natural movements and postures. This skeleton is usually made of stainless steel or aluminum alloy to ensure that the doll can remain stable and have certain mobility.

The application of modern technology allows the facial features, body proportions, etc. of life size sex dolls to be more finely customized. Some manufacturers even use 3D printing technology to ensure that every detail is highly realistic. This manufacturing process aims to provide customers with a more personalized product that matches their expectations, making life size sex doll more attractive and realistic.