On 18 January, Jiading Public Transport sent Sunwin a thank-you letter to compliment the marketing and after-sales service team of Sales Department in Sunwin for providing after-sales maintenance and repair service to help with the operations of Jiading Public Transport. By responding actively, the marketing and after-sales service team in Sunwin solves vehicle maintenance and repair issues at great speed, and hence effectively ensures smooth operation of the vehicles, leading to a stable growth in indicators such as vehicle attendance and passenger satisfaction etc. in Jiading Public Transport.