German Siemens and ThyssenKrupp may sell relevant core technology to China, which owns the first commercially operated maglev line.
China has the first non-commercial maglev line.
We don't know if this is true, because the context only gives information about commercial maglev lines.
( z1 have :ARG0 ( z2 country :name ( z3 name :op "China" ) ) :ARG1 ( z4 line :mod ( z5 maglev ) :mod ( z6 commerce :polarity - ) :ord ( z7 ordinal-entity :value 1 ) ) )