In a pilot plant with an area of 9342 m2, the 245 sets of 400W MH lighting fixtures were replaced with 91 sets of JSEL'sGC18C-200E and 154 sets of GC18C-150E. The test of induction lighting effect and comparison with the MH lighting in the nearby plant were carried out by the engineers of JSEL and factory in 30 days after the installation of fixtures.