The certification of after-sales service for goods is based on the "Quality Evaluation System for Commodity Management Enterprises"GB/T27922-2011A certification implemented in accordance with standards. Mainly applicable to commercial organizations that provide goods and services to customers. The standard specifies the principles and requirements that commercial organizations providing goods and services should follow from six aspects: service culture, leadership, service strategy, human resource management system based on service capability enhancement, service process, and service system.

Qiheng Environmental Protection adheres to and follows the principles and requirements of standards, while implementing every detail in the after-sales service process, patiently answering customer questions, providing careful guidance on usage, and enthusiastically helping with calibration and testing. The responsibility is assigned to individuals, ensuring that customers are satisfied with the service experience and eliminating their worries after product procurement. It is precisely based on the company's dedication, patience, meticulousness, and enthusiasm in after-sales service that it has gained the trust of many frontline users of its products, as well as the recognition of Qiheng's environmental service capabilities by third-party evaluators, thus obtaining a five-star certification evaluation.

While evaluating the new certification of after-sales service for products, the company also evaluates the quality management system（ISO9001:2015）Environmental Management System（ISO14001：2015）Occupational Health Management System（ISO45001:2018）We have conducted re certification and re audit to ensure the effectiveness of the system, making the management of the company, products, services, environment, and employee health more standardized and scientific. It also enhances the competitiveness of the product market and customer satisfaction, creating a safer and warmer working environment for employees.