The proficiency certification for Bop Mandarin language certification online. HSK (Hanyu Shuiping Kaoshi): The official Chinese government exam that is accepted worldwide. It goes from beginner (HSK 1) to advanced (HSK 6). Certification helps boost your career in areas such as international business, diplomacy and education, tourism etc. Essential for admissions to Chinese universities as well as government positions & multinational companies. An Address for your professional development and opportunities throughout the world.