In this paper, the work is going to explore how does government support influence the complementary asset of Waymo and AutoX by referring to the partnership formed between two companies and external investors. This paper is significant since the development of the deep-tech knowledge is vital for different countries and the growth of deep-tech area is stagnant at this stage, so this paper is crucial for future development of deep-tech industry. The government help is specified as the direct investment from state-owned company. By comparing the amount of fund from those specific companies, the contribution of government in the development of deep-tech companies is being tested. From research, the result find that AutoX, small company in China, received more government support when compared with Waymo. This paper contributes to the policymaker by suggesting them not only to care about the financial problem but also to focus on the negative spillover of partnership.