Zhengzhou RJ Diamond Co., Ltd. establish a strict quality control system, to provide better products and services to new and old customers.
We have a standard procurement system and process, to control the purchasing and processing of the raw materials.
In order to guarantee the quality of the produc, our company is equipped with a large number of professional instruments and office equipment. We also set up a special quality inspection personnel to strictly control every process, to ensure the quality of qualified products can be put in storage.
Our sales department is responsible for investigating, recording and analysis of customer satisfaction on the quality of products, then our quality management department verify and make corrective and preventive measures accordingly.
Customer satisfaction is our greatest pursuit, we believe that our continuous efforts, will provide you with the best quality and service.