Xi'an Xiangxixing Auto-Tech Service Co., Ltd. is a subsidiary of Xi'an Tianzi Taxi Corp which sits at the heart of China and has been in business for over 20 years. Tianzi Corporation is the single largest taxi service provider and manages over 2,000 taxi cabs in Xi'an, Shaanxi Province. Addtionally, Tianzi Corp is an authorized retailer of Geely and BYD, and operates a total of 10 auto 4S shops.

Tianzi Corp has supplied over 700 vehicles to Middle Asia in 2022. In 2023, a special purpose company Xiangxixing was founded to bridge the gap between Chinese auto suppliers and dealers/agents/customers worldwide.