This dataset is a market dataset representing the consumption market of the region. The dataset includes the transport of the product from the gate to the consumption end, and the transport service is calculated based on the transport situation of the product in the region. This dataset represents the average production of the inner door handle of Chinese passenger cars. The dataset considers the acquisition and input of raw and auxiliary materials (modified plastics, paint, etc.), energy supply, and direct emissions and process waste generation in core production processes such as plastic pellet drying, injection molding, trimming and inspection, as well as related auxiliary processes (such as waste treatment, equipment lubrication); it does not include product packaging, production equipment manufacturing, plant and other infrastructure construction; and the inventory has been supplemented and verified according to the principles of material balance and water balance. The data is mainly based on the public production materials of several industry-representative enterprises, formed after weighted integration.