Welcome to Superpower tools... celebrating over 10 years of quality manufacturing! In 2002, starting as a small tool house in the town ofwenyan,Hangzhou,china. the founders of Superpower tools dedicated themselves to the highest standards in China manufacturing of punches and chisels.Today, the Factory has grown to encompass a much broader product line, but solid and unchanged.our basic commitments to quality and standards have remained solid and unchanged.