Searched for PVG-NYC RT last week... after selecting all segments, at the itinerary summary page there was

Miles earned = 22868
MQM earned = 15246 (details)

Then details were

Activity Type and Description
Class of Service Paid
SkyMiles
Class of Service Bonus
Total Miles
MQM Earned
MQM Segments Earned

Delta 0646 Shanghai, China to Tokyo-Narita, Japan
K 1119 559 1678 1119 1
Delta 0172 Tokyo-Narita, Japan to New York-Kennedy, NY
K 6745 3372 10117 6745 1
Delta 0019 New York-La Guardia, NY to Shanghai, China
K 7382 3691 11073 7382 1


50% bonus with K class. Well it disappeared when I tried again this week.