Adhering to the concept of quality enterprises, fully implement the ISO90001 international quality standards, establish a perfect quality control system, the whole process of product production quality control, including raw material purchase control, production process control, finished product inspection control. Ensure that the management level of the product from design and development to product manufacturing, sales and service meets the requirements of international standards to ensure the production of high-quality, stable and reliable products.

Grander has formulated a perfect standard operation procedure, and employees work strictly in accordance with the standard operation procedure. High quality and efficient production system, practical on-the-job training and strict quality control provide a reliable guarantee for the improvement of product quality and the reduction of production costs.