DIYI SIGN quality guarantee is wholly managed by the Quality Management Department, product inspection and measurement is specific carried by the test center. According to the ISO9001:2008 quality management system’s standardized programmed and systematic requirement, we test the gloss, whiteness, color, dimensional stability, weight, thickness, tensile strength, tear strength, peel strength, viscosity, ink absorption and other properties with the raw material and product to satisfy the customers around the world

DIYI SIGN R & D center is responsible for new product research and development comprehensively.

It has a perfect development system, and through the information analysis summary of the global digital printing material industry development trend, striving for environmental friendly, functional and diversified direction to research and develop forward-looking, innovative new products.

All new products need to pass material testing, functional testing, pilot production operation process, through the application practice of the local area market, constantly improving more perfect, and then mass production to the global market.

In order to improve customer satisfaction, DIYI SIGN set up technical support team. Holding the post by the company core technology staff and senior engineers, DIYI SIGN provide comprehensive, solid technical support to customer approval, supplier management, product standards improvement, production abnormal investigation, customer after-sales service, customer complaints analysis and other processes.