What is the relationship between Shanghai Saks Powertrain Components System Co., Ltd. and Wuxi Saks Auto Parts?

He Cheng Suspension Parts is a subsidiary of ZF Group. In China, ZF-SAXS has three wholly-owned and joint ventures to produce powertrain and suspension system components: SAXS Automotive Parts System (Shanghai) Co., Ltd. (SAS) is used for suspension systems of trains and heavy vehicles, and Shanghai Zhonghui SAXS Shock Absorber Co., Ltd. (SHS) is used for suspension systems of automobiles and light vehicles, as well as powertrain systems of automobiles and light vehicles. Today, ZF-SAXS's powertrain and suspension system products are in a leading position in the China market.