Doll-Forever is one of the large companies that Piper and DH168 operate under. Doll-Forever has the strongest team in the doll industry. Whether it is prototype design and creation, or raw material formula, skeleton design, or production technology research and development, it is unique. They have the best metal processing manufacturers, the best processing, and technical personnel to produce the metal frame of sex dolls with high mobility and high stability. Doll Forever has been sold all over the world and is highly praised by sex doll lovers.