Do you have an example where China implemented a trade agreements that resulted in significant trade balance surplus for the trading partner? (aside from energy)
New Zealand has a trade surplus with China. NZ was in the TPPA, but already have a FTA with China. They were trying for one with the US, but the US preferred the TPPA. [1][2]
Since the China FTA came into effect, China has replaced the US as NZ's number 1 trading partner. The US is 4th on that list.[3]
OK I stand corrected Energy and Food but New Zealand is definitely more an exception then a norm. We are running close to 400b trade deficit with China.
China has been doing some pretty complex deals with countries all across Africa - financing and building hydroelectric dams and other massive infrastructure buildouts. These are long-term deals that often include concessions for oil or other natural resources, so it's difficult to pin them down to a clear surplus/deficit.
Generally in such deals Chinese companies are the contractors doing the work and suppliers of goods, so again outside of energy I don't think China implemented any agreements that provided surplus for the trading partner.