Ningbo Puppet Steel Co., Ltd. is a professional Steel Sheet Manufacturer | Cold Rolled, Hot Rolled & Galvanized Steel Supplier committed to providing high-quality steel products and customized metal solutions for customers worldwide. Serving industries such as construction, infrastructure, manufacturing, automotive, energy, home appliances, and industrial equipment, the company has built a strong reputation for reliable products and consistent service.
Located in Ningbo, China, Puppet Steel operates advanced processing and manufacturing facilities equipped with modern production lines and precision quality inspection systems. The company specializes in a comprehensive range of steel products, including cold rolled steel sheets, hot rolled steel sheets, galvanized steel sheets, galvalume steel sheets, prepainted steel sheets, carbon steel sheets, structural steel sheets, and customized steel processing solutions.
With extensive industry experience, the company offers flexible OEM and customized manufacturing services to meet various project requirements. From material selection and cutting to surface treatment and packaging, every production stage is carefully managed to ensure product consistency, dimensional accuracy, and long-term performance. Strict quality control procedures are implemented throughout the manufacturing process to comply with international standards and customer specifications.
Driven by innovation, quality, and customer satisfaction, Ningbo Puppet Steel Co., Ltd. continuously invests in technology upgrades and production efficiency improvements. Through competitive pricing, stable supply capacity, timely delivery, and professional technical support, the company strives to become a trusted global partner for steel sheet manufacturing and metal material solutions.
As global supply chains evolve, the demand for high-purity Copper Coils has skyrocketed, driven by the expansion of HVAC systems, electric vehicle (EV) infrastructure, and renewable energy grids. As a leading manufacturer in China, our commitment extends beyond mere production; we are architects of supply chain resilience.
We provide copper solutions designed for thermal efficiency and electrical conductivity. Our coils serve as the backbone for:
At our factory, precision is not a target—it is our baseline. We utilize state-of-the-art annealing furnaces and CNC winding technology to ensure that our copper coils meet the strictest tolerances in surface finish, grain size, and mechanical strength. We leverage AI-driven quality inspection to detect microscopic imperfections that could jeopardize downstream performance.
Navigating global compliance is critical. Our products are manufactured to strict ASTM, EN, and JIS standards. We provide comprehensive mill test certificates (MTC), RoHS compliance documentation, and REACH certifications to ensure our international partners face no hurdles in market entry.
A: We utilize electrolytic grade copper (C1100, C1220) and employ spectroscopic analysis during the casting phase to ensure copper content exceeding 99.9% purity.
A: Absolutely. Our OEM service allows for tailored thicknesses, widths, and temper (Hard, Half-hard, Soft) to match your specific engineering requirements.
A: Depending on the volume and customization, standard lead times range from 15 to 30 days. We maintain a strategic stock in our Ningbo facility to facilitate faster shipments.
Puppet Steel
