and their proprietary tea strains
and forcing them to allow opium to be sold in their country
and forcing them to give up major port cities and open up trade against their wishes
Honestly whenever China gets around to getting its served-extremely-cold revenge for all the savagery committed against it in the 19th and 20th centuries, some chips are going to be the least of everyone's problems.
I think that was the British? We are just getting over hating them ourselves.
Also, porcelain, paper and gunpowder. And maybe (don't remember exactly), magnetic compass.