SD doll (Super Dollfie) is a ball-jointed movable doll launched by the Japanese company Volks in 1998. It was developed by Akihiro Enku and Dollfie is their registered trademark. The name Dollfie is composed of "Doll" and "Figure", plus the expectation of "being the highest product among doll works", it was officially named "Super Dollfie".

When it was released in February 1999, it advertised in model magazines, disclosed customization methods, etc. It was promoted as a model rather than a doll. The sales volume and production volume are also quite small, and they are almost sold by reservation. [1]

This doll made specially for someone is called an SD doll. Some people in China also call it "silly doll" because SD dolls are perfect human beings and they look very cute. , beautiful and deeply loved by the majority of girls. And SD dolls are also called "silly dolls" because of their cute appearance.

Ke'er dolls are produced by Ke'er Toys Co., Ltd. Kerr Toys Co., Ltd. is a large-scale toy enterprise that integrates the research and development, design, production and marketing services of children's toys. Kerr Dolls is China's first toy doll brand independently developed, produced and sold by a local enterprise. It has obtained appearance, technology and and other patents, and passed the 3C certification and EN71 test. The product technology is in an international leading position.

The Misty Doll is a veritable "doll". It has a virginal face and a super cute shape. It is far away from the luxurious jewelry and has a natural simplicity that will make you fall in love with it. ddung was created by Korean Design Seol. The author's creative inspiration came from her four-year-old niece. Because her niece often performed ridiculously over-the-year performances, the creator used her niece's "little adult" characteristics through the ddung. The character is played to the fullest, and her animation is even more impressive!

BJD: ball joint doll (ball joint doll), as the name suggests, is that the joints of this type of doll are connected by spherical parts. It is precisely because of such a special structure that BJD can display richer movements and postures more vividly. In addition, most contemporary BJDs are taller than dolls in the past (generally around 43cm to 70cm), which makes the space for shaping the dolls wider. BJD dolls can not only change clothes, but also modify makeup, change hands, feet, hair, and even eyeballs. Therefore, BJD has endless charm for players. She gives players a space to express their personality without restraint.