This book is based on the comprehensive grasp and analysis of the financial data of Zhongguancun listed companies (ZLCs), and in-depth observations by ZLCA for many years. This book presents the capital market distribution, overall scale, profitability, innovation ability and social contribution of ZLCs in multiple dimensions, and carris out thematic analysis and research of the high proportion of accounts receivable to current assets in ZLCs in recent years, aiming at objectively presenting their competitive strength and development. Whether investors, researchers or reporters who are interested in Z-Park, this book is an important reference to better understand the latest development of Z-Park and the high-quality listed companies in Z-Park.