Jiangxi Cable Company has expanded its extra-high voltage (EHV) cable manufacturing capabilities by deploying SIKORA’s X-RAY 8000 ADVANCED and X-RAY 8700 NXT measurement and control systems on two newly installed VCV production lines for 500 kV cables. The expansion forms part of the company’s reconstruction and capacity enhancement project initiated in 2023 to address the growing demand for EHV power transmission infrastructure.

Aug 04, 2026

Jiangxi Cable Co., Ltd., founded in 1969, is a subsidiary of Jiangxi Copper Corporation Limited, which is listed on the Fortune Global 500. The company manufactures over 100 varieties of high, medium, and low-voltage cables. Driven by the growing domestic demand for extra-high voltage (EHV) power grids, Jiangxi Cable began a reconstruction and expansion project for its 500kV EHV cable production in 2023. The project involves installing 2 VCV lines for EHV cables. The specifications for insulation eccentricity and homogeneity of wall thickness for EHV cables are significantly higher than ordinary cables. Therefore, the integrated measuring and control devices must feature advanced technology, reliable performance, and precise measurements.

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SIKORA initiated its cooperation with Jiangxi Cable over twenty years ago. The X-RAY 8000 systems have successfully operated on Jiangxi Cable’s CCV and VCV production lines for many years. Based on the high recognition of SIKORA’s technical reliability and professional service, Jiangxi Cable decided to equip each of its two new VCV production lines with two specialized systems: an X-RAY 8000 ADVANCED at the beginning and an X-RAY 8700 NXT at the end of the production line.

Installing the X-RAY 8000 ADVANCED at the hot position of the production line allows for the real-time measurement, recording, and display of cable wall thickness, eccentricity, and diameter. Operators can use these precise measurement data to quickly adjust cable parameters, which significantly reduces start-up adjustment time for eccentricity and avoids excessive raw material consumption.

The X-RAY 8700 NXT, installed at the cold end of the production line, can measure the eccentricity and wall thickness of the outer shield, insulation layer, and inner shield of the cooled cable. This ensures the timely detection and adjustment of potential deviations during production, minimizes errors caused by manual sectioning and observation, and guarantees that all cables delivered to customers meet the required high-quality standards.

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“In the current fiercely competitive market, reducing costs and increasing efficiency are key focuses for every cable manufacturer,” says Mr. Liu, Chief Engineer at Jiangxi Cable. “After using SIKORA’s X-RAY 8000 for many years, we believe that the systems can effectively reduce material consumption during start-up eccentricity adjustment. Once production starts, only 10-30 meters of cable are needed to adjust the eccentricity to within 4%. Without the precise measurement and control by this system, it might require consuming more than ten times the material to achieve the same quality standards.”

The X-RAY 8000 ADVANCED and NXT from SIKORA provide continuous and precise monitoring of the cable production process. The systems ensure product quality while improving production efficiency and raw material utilization, thereby strengthening users’ competitive advantages.