- WeEn Semiconductors Co., Ltd, is the global joint venture between NXP Semiconductors N.V. and Beijing JianGuang Asset Management Co. Ltd (JAC Capital). WeEn Semiconductors was officially opened on 19th January, 2016 with the business and operations center located in Shanghai, China. WeEn Semiconductors is registered at Nanchang city which is the capital city of Jiangxi province, China. It fully owns subsidiaries and branches in Jilin city for bipolar production, in Shanghai and the United Kingdom for R&D and production support, in Hong Kong for Sales activities, and in many other countries for sales and customer services, respectively.