2026-03-23 11:09:22
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CJP.CJP was established on July 31, 2000, and is registered in Zhonglou District, Changzhou. The company occupies a site of 15 mu (approximately 2.5 acres) with a building area of 15,000 square meters and a registered capital of 30 million yuan. With over 200 employees, the company specializes in the R&D, design, and manufacturing of overvoltage protection and lightning protection products. It is currently one of the few professional manufacturers in China capable of comprehensively covering the design, production, and sales of lightning protection testing equipment, surge protective devices (SPDs), and SPD-specific varistors. The company has been continuously recognized as a “High-Tech Enterprise” for many years. Its products (particularly the company’s proprietary reliable technology for the power frequency breakdown point of lightning protection varistors—which effectively resolves SPD safety issues in power transmission and distribution systems under TOV faults) have been widely acclaimed in the industry. Practice has proven that the company’s proprietary “Three-in-One Correspondence and Reliability Screening Technology” has successfully achieved the established quality objectives. CJP has obtained ISO 9001 Quality Management System certification, and its surge protection devices have passed testing by multiple authoritative institutions. Furthermore, the varistors specifically designed for SPD chips have received UL 4th Edition certification (Certificate No. E333922).