Qingdao Haoyu Heavy Industry Co., Ltd. (hereinafter referred to as QDHY) is a high-tech enterprise, located at No. 1 Haoyu Road, Jiaozhou City, Shandong Province, China. QDHY is a professional petrochemical steel structure and steel stack manufacturing enterprise. The company has more than 1,800 employees, including 205 designers, and has formed an advantageous engineering team with reasonable talent structure, complete professional allocation and scientific function allocation. QDHY has the Special Class Qualifications of Chinese Steel Structure Manufacturing Enterprise certified by China Steel Structure Association, GradeⅠProfessional Qualification of Steel Structure Engineering, Special Grade A Qualification for Light Steel Structure Engineering Design, and has the EN 1090-2 EXC4 certification. QDHY has obtained the Quality Management System Certificate (ISO 9001: 2015), Environmental Management System Certificate (ISO 14001: 2015), Occupational Health and Safety Management System Certificate (ISO 45001: 2018) and ISO 3834-2 International Welding Quality System Certification.Please kindly refer to the website for more information www.qingdaohaoyu.com. And if any inquiries please contact Mr. Chris Zhang, Email: zhangyongchao@qingdaohaoyu.com