DaYan, a company that specializes in producing sturdy, superior Rubik's cubes, is the manufacturer of the DaYan V Zhanchi (Black) cube. The record for solving the Rubik's Cube was attained with DaYan cubes! Since the firm is always creating new cubes, you may try your hand at puzzles other than the classic Rubik's cubes like this one. Without a doubt, any cube from this brand is worth solving. It is extremely smooth and cuts corners properly up to 45 degrees. Purchase-worthy Rubik's Cube, without a doubt!