ProfileChangzhou ChuangJie Lightning Protection Co., Ltd. was established in 2000. Located in the High-Tech Industrial Park of Zhonglou District, Changzhou City, Jiangsu Province, the company occupies a site of 43 mu with a building area of 39,000 square meters. It has a registered capital of 100.5 million yuan and employs approximately 200 people; The company specializes in the research, development, design, and manufacturing of high-energy varistors, lightning and overvoltage protection products, and specialized lightning protection instruments. With over 26 years of deep expertise in the field of varistors for SPDs, it possesses an independent design and development platform and a professional testing laboratory. Thanks to its advanced and proprietary technologies, the company has been consecutively recognized as a Jiangsu Provincial High-Tech Enterprise and an Innovative SME since 2007, and was designated as a Jiangsu Provincial Specialized, Refined, Unique, and New SME twice—in 2022 and 2025.
Emphasizing innovation and valuing talent, the company holds more than 50 patents, including three authorized invention patents: ZL201710016956.4 (A Backup Protector for Surge Protective Devices), ZL200610096125.4 (Surge Generator), and ZL200810196203.7 (Composite-Gap Surge Protector). The company has obtained ISO 9001 and 14000 certifications, and its SPD-specific chip varistors have passed UL and TÜV certification.
