Full translation of Hanon's piano textbook [Chinese commentary]

This course strengthens fundamental finger skills for piano playing, such as elbow flexibility, finger dexterity and strength, and equal tone production. The aim is to enable the left hand to achieve the same proficiency as the right, allowing for effortless production of perfect musical notes. It is suitable for all piano learners, including those with one year of experience and those at a higher level. Explanations are provided for any areas that present difficulties.

Remark

1. All goods from our company come with a 7-day replacement guarantee for quality issues.
   Customers must visit our repair center in person with the receipt within 7 days of receiving the goods. Please make an appointment.
   (Only applicable to goods of the same price and brand) 
2. Damage caused by human error is not covered under warranty.
3. This product comes with a 1-year limited self-service warranty.
4. Goods are non-refundable and non-exchangeable once shipped. Our company reserves the right to make the final decision.
5. Delivery to your door takes approximately 10-14 days from the date of order, or from Hong Kong Island, Kowloon and the New Territories.Designated stores Pick it up yourself
   (The actual delivery date depends on the current transportation arrangements, shipping schedule, etc.)
   There is a chance of early or delayed delivery, but the delivery period will not exceed 30 days.
   
6. Free delivery area: Kowloon city area, Hong Kong Island city area, New Territories city area
7. Additional fees apply to remote areas or outlying islands such as Lantau Island.