Wuxi Putian Iron Core Co., Ltd. ("PTTX") was founded in 2004 with an enduring commitment to the power and energy industry. It focuses on integrated solutions across the whole value chain, including high-end USL silicon steel, transformer cores, and smart factory planning. PTTX continues to provide technologically advanced, green, and low-carbon products as well as innovative full-process solutions for the whole value chain of transformer manufacturers.
PTTX has become a world-leading enterprise in the field of high-end low-carbon silicon steel and transformer core after years of development, with multiple advanced intelligent manufacturing bases and an industry-leading R&D center. Currently present in more than 50 countries worldwide, PTTX provides one-stop solutions and quality services to hundreds of global power and energy enterprises. PTTX has been at the forefront of the industry in terms of output and scale.
35K+tons
15K+tons
20+years
300+
20+years
300+
Awarded the Greenhouse Gas Verification Certificate
The “Wuxi Key Laboratory for Power and Energy Steel Materials,” led by PTTX, was officially approved for establishment
Received the “Outstanding Innovation Capability Award” from the Wuxi High-tech Enterprise Association
As the lead drafting organization, PTTX led the formulation of the association standard "Quality Inspection Regulations for Dry-Type Transformer Cores" (T/CIET 1009-2025), which was officially released
PTTX’s Grain-Oriented Silicon Steel was recognized at an "Internationally Advanced" Level
PTTX Laboratory achieved CNAS accreditation
Recognized as the Jiangsu Provincial Engineering Research Center for Power and Energy Steel Materials
Recognized as a Jiangsu Provincial Enterprise-level Industrial Internet Platform
The high-efficiency transformer core intelligent production base (Phase IV Smart Factory) was officially put into operation
Selected as a Key Laboratory in Wuxi (Talent Development Category)
Honored as “Wuxi’s Top Talent-Attracting Organization of 2023”
Acquired Jiangsu Zhirun New Materials Technology Co., Ltd.
Recognized as a Well-Known Trademark of Jiangsu Province
Recognized as a Well-Known Trademark of Jiangsu Province
Named a Jiangsu Provincial Quality Benchmark Enterprise
Awarded “Wuxi Brand Influence Enterprise” in the Wuxi Brand Influence Awards
Certified as a “Jiangsu Premium Product”
Led and hosted the inaugural “Transformer Core Industry Chain Annual Conference & High-Quality Development Forum”
Designated as a “Jiangsu Provincial Industrial Design Center”
Ranked among the “Top 100 Benchmark Smart Factories in China (2nd Edition, 2023)”
Selected as a “Jiangsu Key International Brand for Cultivation and Development”
Recognized as one of the first “Jiangsu Five-Star Cloud-Based Enterprises”
Certified under the Intellectual Property Management System
Approved as a “National Postdoctoral Research Workstation”
Established a wholly owned subsidiary, Wuxi PTTX Sales Co., Ltd.
Acquired controlling interest in Wuxi Aimubo Industrial Equipment Co., Ltd.
Phase I of subsidiary Anqing Xinpu Electrical Equipment Co., Ltd. officially went into operation
Signed a strategic cooperation agreement with China Electric Equipment Group Supply Chain Technology Co., Ltd.
Recognized as a “National Green Factory”
Established wholly-owned subsidiary Wuxi Xingzhuo Insulation Material Co., Ltd.
Rated as national intelligent manufacturing capability maturity level 3
Rated as Jiangsu Province quality credit AAA enterprise
Selected as one of the national intelligent manufacturing excellent scenarios
Awarded the National-level Specialized and Innovative "Little Giant" Enterprise
Rated as Jiangsu Industrial Internet Benchmark Factory
Initiated the establishment of the "China Electrical Equipment Industry Association Iron Core Application Branch" and served as the president member
Established wholly-owned subsidiary Wuxi Xinghui Catering Service Co., Ltd.
Rated as Jiangsu Intelligent Manufacturing Demonstration Factory
Rated as an excellent certified organization by the energy management system certification, the energy saving/low carbon product certification and the chemical industry integrated management system certification
Rated as the leading enterprise of Industrial digital transformation in China in 2021
Won the Silver Medal at national machinery industry product quality innovation competition
Established wholly-owned subsidiary Anqing Xinpu Electrical Equipment Co., Ltd.
PTTX series products were awarded as the high-quality brand products of the machinery industry in 2021
Rated as the Wuxi Quasi-Unicorn Enterprise in 2021
Rated as green factory of Jiangsu Province
Low-Loss and Low-Noise iron core has won the Specialized and Innovative product of Jiangsu Province
Awarded " the Specialized and Innovative product Enterprise of Jiangsu Province "
Obtain the AAA level management system certification of integration of industrialization and informatization
Rated as "Jiangsu Province Little Giant Enterprise" (manufacturing category)
The national standard of "Electrical Steel Core for Power Transformers" (GB/T 32288-2020), led by the company, was officially implemented
Established wholly-owned subsidiaryWuxi Xingzhi Digital Service Technology Co. Ltd. (Tronstella), empowering production lines with intelligence to promote the overall intelligent evolution of the enterprise
PTTX was selected as the "invisible champion" of manufacturing industry
The research on transformer core technology and noise reduction technology has obtained the certificate of completion of the Jiangsu Provincial Science and Technology Plan project
Obtain a number of computer software copyright certificates
Awarded "2018-2019 Digital Transformation Benchmark Enterprise of Jiangsu Business"
The independently developed first oriented electrical steel product was officially launched, laying out and constructing the upstream and downstream supply chain of transformer cores
Rated as "2018 Jiangsu Province Demonstration Intelligent Manufacturing Workshop"
Phase II Smart Factory completed and put into operation, leading the leap of transformer core manufacturing towards "smart manufacturing"
Rated as "Jiangsu Province's pilot enterprise for deep integration innovation of informatization and industrialization (Internet and industrial integration innovation)"
Participated in the 2017 Hannover Messe, Germany, Officially entered the international market
Rated as the Smart Manufacturing Demonstration Workshop in Jiangsu Province
The national standard GB/T32288-2020 "Electrical Steel Core for Power Transformers", led by the company, was officially implemented
Rated as "Jiangsu Province's pilot enterprise of informatization and industrialization in 2016 (Network information security)"
Rated as the Key Enterprise R&D Institution of Jiangsu Province
Reached a cooperation agreement with Shougang Group for the joint laboratory on electrical steel application technology
Top 10 tax paying enterprises in Xishan District
Rated as Jiangsu Provincial Enterprise Technology Center
Awarded the national Torch Program key high-tech enterprise
Rated as technology-based small and medium-sized enterprises in Jiangsu Province
Phase I Smart Factory completed and put into operation
Rated as the contract-abiding and credit-worthy enterprise in Jiangsu Province
Completed the shareholding system reform and officially changed its name to Wuxi Putian Iron Core Co., Ltd.
“內镶式平面拉板结构铁心工艺开发及产业化”入选国家火炬计划产业化示范项目
PTTX (graphics) awarded the famous trademark of Jiangsu Province
Rated as Jiangsu High Voltage Special Core Engineering Technology Research Center
"7-step ladder joint transformer core design and industrialization" was selected as the national Torch Program industrialization demonstration project
Obtained the company's first invention patent, realizing independent innovation breakthrough
PTTX (graphics) brand power transformer core was awarded the famous brand product of Jiangsu Province
The independently developed "7-step ladder joint transformer core" was awarded the National Key New Product
The independently developed "7-step ladder joint transformer core" was awarded the high-tech product certification certificate of Jiangsu Province
Awarded the "National Advanced Unit of Mass Sports"
Obtained the first patent certificate (practical new core laminating positioning mold)
Became the first enterprise in the industry to pass ISO9001 quality management system and ISO14001 environmental management system certification
Awarded the "Private Science and Technology Enterprise in Jiangsu Province"
Became a supplier to the world-renowned electrical enterprise Schneider Electric
Wuxi Putian Iron Core Co., Ltd.(PTTX) was established in 2004, opening an era of professional production of transformer cores
·Awarded the Greenhouse Gas Verification Certificate
·The “Wuxi Key Laboratory for Power and Energy Steel Materials,” led by PTTX, was officially approved for establishment
·Received the “Outstanding Innovation Capability Award” from the Wuxi High-tech Enterprise Association
·As the lead drafting organization, PTTX led the formulation of the association standard "Quality Inspection Regulations for Dry-Type Transformer Cores" (T/CIET 1009-2025), which was officially released
·PTTX’s Grain-Oriented Silicon Steel was recognized at an "Internationally Advanced" Level
·PTTX Laboratory achieved CNAS accreditation
·Recognized as the Jiangsu Provincial Engineering Research Center for Power and Energy Steel Materials
·Recognized as a Jiangsu Provincial Enterprise-level Industrial Internet Platform
·The high-efficiency transformer core intelligent production base (Phase IV Smart Factory) was officially put into operation
·Selected as a Key Laboratory in Wuxi (Talent Development Category)
·Honored as “Wuxi’s Top Talent-Attracting Organization of 2023”
·Acquired Jiangsu Zhirun New Materials Technology Co., Ltd.
·Recognized as a Well-Known Trademark of Jiangsu Province
·Recognized as a Well-Known Trademark of Jiangsu Province
·Named a Jiangsu Provincial Quality Benchmark Enterprise
·Awarded “Wuxi Brand Influence Enterprise” in the Wuxi Brand Influence Awards
·Certified as a “Jiangsu Premium Product”
·Led and hosted the inaugural “Transformer Core Industry Chain Annual Conference & High-Quality Development Forum”
·Designated as a “Jiangsu Provincial Industrial Design Center”
·Ranked among the “Top 100 Benchmark Smart Factories in China (2nd Edition, 2023)”
·Selected as a “Jiangsu Key International Brand for Cultivation and Development”
·Recognized as one of the first “Jiangsu Five-Star Cloud-Based Enterprises”
·Certified under the Intellectual Property Management System
·Approved as a “National Postdoctoral Research Workstation”
·Established a wholly owned subsidiary, Wuxi PTTX Sales Co., Ltd.
·Acquired controlling interest in Wuxi Aimubo Industrial Equipment Co., Ltd.
·Phase I of subsidiary Anqing Xinpu Electrical Equipment Co., Ltd. officially went into operation
·Signed a strategic cooperation agreement with China Electric Equipment Group Supply Chain Technology Co., Ltd.
·Recognized as a “National Green Factory”
·Established wholly-owned subsidiary Wuxi Xingzhuo Insulation Material Co., Ltd.
·Rated as national intelligent manufacturing capability maturity level 3
·Rated as Jiangsu Province quality credit AAA enterprise
·Selected as one of the national intelligent manufacturing excellent scenarios
·Awarded the National-level Specialized and Innovative "Little Giant" Enterprise
·Rated as Jiangsu Industrial Internet Benchmark Factory
·Initiated the establishment of the "China Electrical Equipment Industry Association Iron Core Application Branch" and served as the president member
·Established wholly-owned subsidiary Wuxi Xinghui Catering Service Co., Ltd.
·Rated as Jiangsu Intelligent Manufacturing Demonstration Factory
·Rated as an excellent certified organization by the energy management system certification, the energy saving/low carbon product certification and the chemical industry integrated management system certification
·Rated as the leading enterprise of Industrial digital transformation in China in 2021
·Won the Silver Medal at national machinery industry product quality innovation competition
·Established wholly-owned subsidiary Anqing Xinpu Electrical Equipment Co., Ltd.
·PTTX series products were awarded as the high-quality brand products of the machinery industry in 2021
·Rated as the Wuxi Quasi-Unicorn Enterprise in 2021
·Rated as green factory of Jiangsu Province
·Low-Loss and Low-Noise iron core has won the Specialized and Innovative product of Jiangsu Province
·Awarded " the Specialized and Innovative product Enterprise of Jiangsu Province "
·Obtain the AAA level management system certification of integration of industrialization and informatization
·Rated as "Jiangsu Province Little Giant Enterprise" (manufacturing category)
·The national standard of "Electrical Steel Core for Power Transformers" (GB/T 32288-2020), led by the company, was officially implemented
·Established wholly-owned subsidiaryWuxi Xingzhi Digital Service Technology Co. Ltd. (Tronstella), empowering production lines with intelligence to promote the overall intelligent evolution of the enterprise
·PTTX was selected as the "invisible champion" of manufacturing industry
·The research on transformer core technology and noise reduction technology has obtained the certificate of completion of the Jiangsu Provincial Science and Technology Plan project
·Obtain a number of computer software copyright certificates
·Awarded "2018-2019 Digital Transformation Benchmark Enterprise of Jiangsu Business"
·The independently developed first oriented electrical steel product was officially launched, laying out and constructing the upstream and downstream supply chain of transformer cores
·Rated as "2018 Jiangsu Province Demonstration Intelligent Manufacturing Workshop"
·Phase II Smart Factory completed and put into operation, leading the leap of transformer core manufacturing towards "smart manufacturing"
·Rated as "Jiangsu Province's pilot enterprise for deep integration innovation of informatization and industrialization (Internet and industrial integration innovation)"
·Participated in the 2017 Hannover Messe, Germany, Officially entered the international market
·Rated as the Smart Manufacturing Demonstration Workshop in Jiangsu Province
·The national standard GB/T32288-2020 "Electrical Steel Core for Power Transformers", led by the company, was officially implemented
·Rated as "Jiangsu Province's pilot enterprise of informatization and industrialization in 2016 (Network information security)"
·Rated as the Key Enterprise R&D Institution of Jiangsu Province
·Reached a cooperation agreement with Shougang Group for the joint laboratory on electrical steel application technology
·Top 10 tax paying enterprises in Xishan District
·Rated as Jiangsu Provincial Enterprise Technology Center
·Awarded the national Torch Program key high-tech enterprise
·Rated as technology-based small and medium-sized enterprises in Jiangsu Province
·Phase I Smart Factory completed and put into operation
·Rated as the contract-abiding and credit-worthy enterprise in Jiangsu Province
·Completed the shareholding system reform and officially changed its name to Wuxi Putian Iron Core Co., Ltd.
·“內镶式平面拉板结构铁心工艺开发及产业化”入选国家火炬计划产业化示范项目
·PTTX (graphics) awarded the famous trademark of Jiangsu Province
·Rated as Jiangsu High Voltage Special Core Engineering Technology Research Center
·"7-step ladder joint transformer core design and industrialization" was selected as the national Torch Program industrialization demonstration project
·PTTX (graphics) brand power transformer core was awarded the famous brand product of Jiangsu Province
·The independently developed "7-step ladder joint transformer core" was awarded the National Key New Product
·The independently developed "7-step ladder joint transformer core" was awarded the high-tech product certification certificate of Jiangsu Province
·Awarded the "National Advanced Unit of Mass Sports"
·Obtained the first patent certificate (practical new core laminating positioning mold)
·Became the first enterprise in the industry to pass ISO9001 quality management system and ISO14001 environmental management system certification
·Awarded the "Private Science and Technology Enterprise in Jiangsu Province"
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