Certifications & Design Patents
Verified Quality Management
Shenyang Ezd Sign Co., Ltd. operates under an ISO 9001:2015 quality management system certificate, certificate no. 05324031428R0S, valid through June 19, 2027. Its stated scope covers design, production, and services for graphic advertisements, signage, and lightbox signs.
The company also holds registered appearance design patents for selected sign designs. These records demonstrate management and design-development experience; they do not mean that every individual product is certified or patented.
Project-specific technical and regulatory requirements should be confirmed against approved drawings before production.