He has authored several books on clarinet technique .
Is currently a professor at the Central Conservatory of Music in Beijing , China and a visiting Professor at Xi'an Conservatory of Music and Shenyang Conservatory of Music .
He has authored several books on clarinet technique and is currently a professor at the Central Conservatory of Music in Beijing , China and a visiting Professor at Xi'an Conservatory of Music and Shenyang Conservatory of Music .