Further to my last reply,CX website in NZ has a Q fare from NZ to China, Beijing/Shanghai/Chengdu, which also stated Pax can take 30 Kg baggage. See the link below :
http://www.cathaypacific.com/cx/en_N...and-conditions
Text copied from web:-
Flights to China
Welcome to the year of the Monkey.
This great airfare is available from Auckland to over 20 destinations across Mainland China with Cathay and partner airlines. For your flights to China, choose your favourite city from below.
Prices start from $1,139 from Auckland and are also available from Wellington, Christchurch Dunedin, Hamilton, Napier, Nelson, New Plymouth, Palmerston North, or Queenstown, check these fares now.
Seats are limited so book now and don't miss out!!
Join Asia Miles today - Asia's leading travel and lifestyle rewards programme, and it's free to join!
Prices include all applicable taxes and surcharges
Flights
Departure period
08 Feb - 30 Nov 2016
Stay duration
2 days/3 months
Book by
31 Mar 2016
Flight class
Economy Class
Trip Type
Round Trip
Highlights
•30kg baggage.
•Earn frequent flyer points.
•Fly via Hong Kong
•Award winning Service.
Terms and conditions