Welcome to Yetinhon

A Deep Dive into the QC Process of Commercial Coffee Equipment

Quality Control

QC Process of Commercial Coffee Equipment with Strictly Tested

Raw Material Inspection


Our quality components come from Japan, Germany, the United States, and China. The roaster uses an integral welded chassis and a solid drum construction made of special steel to ensure faster heating and durability. It also features an energy-saving burner with patented technology, a CNC-made cooling disc, and a powerful cooling and ventilation system to ensure rapid cooling and higher production efficiency

Precision Manufacturing

During the manufacturing phase, precision is key. We employ state-of-the-art machinery and skilled craftsmen to ensure that each part is manufactured to exacting specifications.

In-Process Quality Checks

As the commercial coffee equipment takes shape, in-process quality checks are performed at various stages to ensure that each component is assembled correctly and functions as intended.

Calibration and Testing

Once assembled, the roaster undergoes a series of calibrations to ensure accurate temperature control and consistent airflow. We also conduct tests to verify that the machine can achieve the desired roast profiles.

Performance Validation

Before the coffee roaster can move on to the next stage, it must validate its performance. We simulate real-world roasting conditions to ensure the machine can handle the demands of commercial use.

Final Inspection and Quality Audit

The final inspection is a comprehensive review of the roaster's performance, appearance, and documentation. A quality audit confirms that all QC protocols have been adhered to and that the machine is ready for delivery.

Reliability and Durability Testing

We put our coffee roasters through rigorous stress tests to simulate years of use, ensuring that they can withstand the rigors of daily operation and maintain their performance over time.

About Our QC Team

We have an experienced production team with a craftsman-like spirit. The quality and reliability of our machines are our most cherished values, reflected in our choice of components and strict quality management.The design, engineering, and technology of our roasters, as well as the data recording and automation applications under development, are all independently developed and maintained by our team. Our research in the combustion system and exhaust system has resulted in several patents, and our equipment has obtained CE and FCC certifications.