Shanghai Penai Membrane Structure Co., Ltd. is a company engaged in the construction, design, and manufacturing of various advertising items using membrane structures. Established on October 30, 2018, according to the National Enterprise Credit Information Publicity System, the company's business scope includes: membrane structure engineering construction, specialized construction of steel structures, specialized construction of architectural decoration, design and production of various advertisements, parking sheds, sunshades, canopies, illuminated signboards, stainless steel products, plastic products, electronic products, electric tools, decorative materials, and steel wholesale and retail. If necessary, the company may engage in other business activities as permitted by law.