Hi, The company now has 19 subsidiaries and there are 25,000 technical and management personnel and skilled workers, in which there are 900 all kinds technical personnel including 500 senior technical personnel. You are trying to squeeze too much into one sentence. Say eg The company now has 19 subsidiaries, and there are 24,100 management personnel and skilled workers.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.