It is said that Lian Hairui was the first person in Hsinchu to invent the tribute pill. Although he later changed hands to others, he still used the "Hai Rui" signboard.
It is said that Lian Hairui was the first person to invent Hsinchu to make Gong Maru, and later, although he changed hands with others, he still used the "Hai Rui" sign.
It is said that Lian Hai Rui was the first person to invent gongwan in Hsinchu. Although he later changed hands with others, he still used the brand of "Hai Rui".