Wuxi Xingzhi Digital Service Technology Co., LTD. was established in July 2020. As a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX), and a national high-tech enterprise.

It draws on years of experience from building smart factories and running businesses in the electrical equipment manufacturing industry. It focuses on three main areas: smart factory construction, industrial packaging design, and integrated logistics operations. Its mission is to promote intelligent transformation, digital transition, and eco-friendly operations across the industry and its supply chain, with the goal of using comprehensive technological productivity to boost the core competitiveness of Chinese manufacturing.

Wuxi Xinghui Catering Service Co., Ltd. (hereinafter referred to as "Xinghui Catering") was established in 2022. As a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX).

As an integrated enterprise in the catering service field, Xinghui Catering integrates catering research and development, production, sales, and brand operation. Adhering to the business philosophy of "Quality First and Innovative Development," the company is committed to providing customers with a variety of delicious, healthy, and creative dining experiences. With an unchanging passion for food, a pursuit of excellence, and a focus on continuous innovation, Xinghui Catering aims to become a high-quality catering enterprise that will be passed down for centuries.

Wuxi Putianxin Sales Co., Ltd. (hereinafter referred to as "Putianxin") was established in 2023. As a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX).

The company specializes in the marketing and trading of electrical steel, transformer cores, and related products. With professional market strategies, Putianxin is dedicated to providing comprehensive services to leading electrical equipment enterprises across industries such as global power grids, new energy, industrial manufacturing, rail transit, and residential construction. Its service offerings include pre-sales consultation, customized solutions during the sales process, and after-sales maintenance, forming a one-stop service system. Putianxin is committed to an open and cooperative spirit, actively collaborating with partners throughout the industry chain to enhance the overall resilience of the power equipment industry.

Wuxi Xingzhuo Insulation Material Co., Ltd. (referred to as "Xingzhuo Insulation") established in 2022, is a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX). As an innovative company dedicated to developing a full range of high-end materials for insulation components and assemblies in power transmission and transformation equipment, with a focus on voltage levels. The company aims to become a global leader in electrical insulation solutions.

It provides high-quality insulation products and services to hundreds of leading companies in the global transformer, motor, generator, and electronic product industries. Xinzhuo Insulation has more than 1,000 kinds of insulation processing products, covering all insulation grades from C to H. The product forms include pipes, plates, rods and various composite materials, achieving the full coverage of insulation material types.

Jiangsu Zhirun New Material Technology Co., Ltd. (referred to as "Zhirun New Material") was established in 2022 and is a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX).The company specializes in the deep processing of silicon steel coils, offering comprehensive solutions for silicon steel materials that integrate R&D, production, sales, and service. Supported by its parent company's strong technology and resources, Zhirun New Material has built a modern silicon steel processing plant that is smart, digital, and lean. With an annual production capacity of 80,000 tons, the plant continuously provides customized, high-efficiency, and high-stability oriented silicon steel products to the global electrical equipment industry.Adhering to the philosophy of innovation-driven development and quality as the foundation, Zhirun New Material continuously increases its R&D investment. By introducing advanced international production equipment and integrating self-developed advanced process technologies, the company consistently overcomes technical challenges, enhancing product quality and production efficiency. This meets the diverse market demand for high-performance silicon steel materials, providing robust support for the transformation, upgrading, and high-quality development of the global power equipment industry.

Anqing Xinpu Electrical Equipment Co., Ltd. (referred to as "Xinpu Electrical") was established in 2022 and is a wholly-owned subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX). The company specializes in the research, development, production, and sales of mid-to-high-end electrical steel products. Aiming for lean production, Xinpu Electrical has developed a highly intelligent, fully digitalized, and comprehensively quality-controlled modern "non-lights factory" by focusing on both material sourcing and process optimization. The company's USL silicon steel (Ultra - stable Low - loss Silicon Steel) is highly stable and has low iron loss, providing quality material for green, low-carbon transformers and electrical equipment. These products provide high-quality materials for high-quality, green, and low-carbon transformers and other electrical equipment, with sales reaching over 50 countries and regions. Xinpu Electrical's production and sales volumes are among the industry leaders, contributing to the global power equipment industry's green upgrade.

Wuxi Aimubo Industrial Equipment Co., Ltd. (referred to as "AIE") was established in 2010. As a subsidiary of Wuxi Putian Iron Core Co, Ltd. (PTTX).  The company specializes in transformer clamps and accessories, aiming to provide customers with one-stop solutions. It specializes in the transformer clamp and accessories sector, offering one-stop solutions for customers, with products ranging from channel steel, patchwork steel plates, bending steel plates, square pipe clamps to various clamping components for 10kV to 1100kV power transformers.Adhering to the philosophy of customer - first and continuous - improvement , constantly explores process innovation. It has gradually established a comprehensive and efficient production line system that covers raw material cutting, bending and marking, drilling, material preparation, welding, grinding, shot blasting, and automated painting or spraying. Through years of dedicated effort, Aimbo's business scale has steadily expanded, with its products and services now available globally. The company has provided high-quality products and services to numerous transformer and core manufacturers, successfully establishing itself as a leading enterprise in the global specialized production of transformer clamping accessories.