Various shapes and materials of pedals and seatposts are Zhanhui's main products.

In addition to the commonly used bicycle seatposts, Zhanhui also has the expertise to produce medical-grade assistive device seatposts.

Pegs and seat Posts of various shapes and materials are Gemini's main products.

In addition to common seat posts, Gemini also has the professional ability to produce medical-grade assisted seat tubes.