- The trademark was registered in 1997. The brand “Y&B” comes from the name of president Jinbao Lee and his wife Yumei Guo. It combines “Y&B” and diamond pattern.
- The trademark was registered in 2008. It means the “good timing, geographical convenience and harmonious human relations”. The triangle is the most stable shape which we put in the central place.
- The trademark was registered in 2015. The idea comes from the swan in Poyang county of Jiangxi province where is the hometown of president Lee. The heart shape inside the logo means-- work with one heart, work with one mind, work with moral excellence. Doing by heart can make the perfect grinding tools.