Professional Insulation Materials
Solution Provider
E-Suotuo New Materials (Shanghai) Co., Ltd. specializes in the R&D, production, and sales of insulating materials. We hold national invention patents and proprietary manufacturing technologies, with production capabilities meeting international advanced standards.
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About Us
Insutop New Materials (Shanghai) Co., Ltd. is a professional provider of insulation material solutions, specializing in the R&D, manufacturing, and sales of insulation products. Our core products include DDP diamond-dotted glue insulation paper, flexible composite materials for electrical applications, crepe paper, aramid boards, oil duct support strips, insulation papers, and insulation molding parts—spanning 13 major product categories. Backed by national invention patents and proprietary manufacturing processes, our production technology meets international advanced standards.
Our company operates a modern production base with advanced equipment. Our products are widely used in power equipment such as reactors, dry transformers, oil transformers, traction transformers, and industrial motors, serving leading domestic and international manufacturers. We tailor insulation solutions to meet every challenge.
Guided by our core philosophy of "Quality First, Customer至上," we have achieved ISO9001 quality management system certification, ISO14001 environmental management system certification, and ISO45001 occupational health and safety management system certification. Our products have passed SGS testing, earning the trust of our customers. Through rigorous quality control across the entire process—from raw material intake and manufacturing to inspection and delivery—we ensure that every roll and item is fully traceable.




Core Advantages
End-to-end quality assurance from raw materials to finished products, and from R&D to delivery.
Internationally Certified & Strictly Quality-Controlled
ISO Management Systems and SGS Product Certification: Strictly control and traceability from raw materials to finished products.
40 years of vertical production experience and R&D-driven
Extensive production experience and product expertise; manufacturing technology at the forefront of international standards, backed by national invention patents and proprietary intellectual property.
Market Position & Customized Solutions
Exports to over 10 countries and regions; holds a market share exceeding 65% in core segments; provides customized insulation solutions for diferent products.
Quality Certification
Strict quality management system and international standard certifications ensure reliable product quality.
ISO001
Quality Management System Certification
ISO4001
Environmental Management System Certification
ISO 45001
Occupational Health and Safety Management System
SGS Tested
Certified by an Independent Third-Party Authority
History
From inception to global expansion, we remain deeply committed to the insulation materials sector.
Company Established
Established in Shanghai, specializing in the R&D and production of insulating materials.
Capacity Expansion
Established a modern production base with an annual capacity exceeding 6000 tons.
Global Presence
Products exported to over 10 countries and regions with an established global sales network.
Future Vision
Operates manufacturing facilities in North America and a cutting center in Europe to become a globally trusted supplier of electrical insulation materials.
Strategic Partner
Long-term partnerships with leading ingredient suppliers ensure quality from the source.
Weidmann Switzerland
Weidmann
Insulating paperboard supplier
Oulu, Finland
Ahlstrom
Specialty Fiber Materials
Miki, Japan
Miki
Electrical Corrugated Paper
Nine Dragons Paper
Lee & Man
Pulp raw material supply
Start Collaboration
Whether you need standard products or custom insulation solutions, our technical team is ready to provide expert support.