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4. Effectiveness evaluation and quantitative analysis system 4.1 Cost benefit analysis model
Establishing a scientific cost-benefit analysis model is the foundation for evaluating the effectiveness of applying Coase's Law. Based on the characteristics of the plastic industry, we have constructed a multidimensional analysis framework.
Direct cost savings analysis
The direct cost changes before and after applying Coase's Law in a certain plastic factory are shown in the following table:

Introduction: The Application Background of Coase's Law in Manufacturing Industry 1.1 Core Principles and Development Evolution of Coase's Law The Coase Law, as the core theory of new institutional economics, was first proposed by Ronald Coase in his article "The Nature of the Firm" in 1937 and further refined in his 1960 work "The Problem of Social Costs". The core of this law lies in revealing the decisive impact of transaction costs on the efficiency of enterprise boundaries and resource allocation.

In-Mold Labeling (IML) is an advanced packaging technology that integrates labels with products during the molding process of plastic items.

From July 18 to 19,2025, all employees of the company carried out a team-building activity with the theme of "Unite our hearts and efforts, unite and forge ahead, join hands for development, and surpass the future" in Shenzhen Jiaochangwei Homestay and surrounding scenic spots.

The injection molding machinery automation industry has developed rapidly in recent years, mainly driven by the intelligentization of manufacturing, the improvement of environmental protection requirements and changes in market demand. The following are the latest developments in the industry:

1. Intelligent and Industry 4.0

Current status of the injection molding industry:
‌Market size and growth trend‌: The global injection molding plastic market size reached US5.64 billion in 2024 and is expected to be a composite of 6.4% between 2024 and 2029 Annual growth rate is increasing. Injection molding technology is widely used in many industries such as automobiles, packaging, and medical care, which has promoted market growth.

The robot is a fully automated device that can realize labeling, removal and palletizing in the injection molding machine mold. It is used to realize labeling during the removal process after the injection molding parts are die-cast. Automatic attachment, improve production efficiency and product quality, and stack injection molded parts according to the placement area.

High-speed robot can achieve high-speed rollover, grab the injection molded parts through a vacuum suction cup, then turn the injection molded paper cup in the horizontal direction to the vertical direction, and then palletize to the designated position. It is a Typical automated production processes, it greatly improves production efficiency

Definition and process of in-mold labeling
In-mold labeling technology refers to first printing ink on a film, then putting the diaphragm into the mold, and through injection molding, the process of making the Labels and plastic products are formed in one go in the mold. This process combines injection molding and printing, so that the molded product does not require additional printing.

In-mold labeling equipment is a special mechanical device for realizing in-mold labeling technology. The following is a detailed introduction to the in-mold labeling equipment: Equipment Overview