Original sentence: China also intends to build a factory in Nanhui district to produce low-speed maglev trains for urban use.However the extension has not been universally welcomed; in January and February 2008 hundreds of residents demonstrated in downtown Shanghai against the line being built too close to their homes, citing concerns about sickness due to exposure to the strong magnetic field, noise, pollution and devaluation of property near to the lines.This will make it the first inter-city maglev rail line in commercial service
Edited sentence: China also intends to build a factory in Nanhui district to mass-produce low-speed maglev trains for urban use.This will make it the first inter-city Maglev rail line in commercial service