Currently, GE has offices in Harbin, Shenyang, Beijing, Tianjin, Qingdao, Nanjing, Shanghai, Hangzhou, Xi'an, Wuhan, Chongqing, Urumqi, Lanzhou, Chengdu, Kunming, Changsha, Xiamen, Guangzhou and Shenzhen.
Much better than posting questions here!
General Electric's Chinese website is, and it has the information you need, or at least the contacts.
Additional answer:
Too late to contact them? Oh, yet you have time to ask questions here and add to them? The phone calls would have been done long ago if you had that time!