Zhejiang Jingsheng Mech Electric

Liancheng Crystal Technology, a wholly owned subsidiary of Liancheng CNC, has filed a patent infringement lawsuit against Jingsheng Mechanical & Electrical in the Marshall Division of the US District Court for the Eastern District of Texas, alleging that certain Czochralski single-crystal growth equipment sold in the United States infringes two US patents, US 11,255,024 B2 and US 11,814,746 B2, both titled "Seed Lifting and Rotation System for Crystal Growth." Liancheng Crystal Technology has put forward seven claims, including a finding of infringement, damages of no less than a reasonable patent royalty, enhanced damages if willful infringement is found, and a permanent injunction barring Jingsheng Mechanical & Electrical from continuing to sell or import the single-crystal furnaces at issue in the United States. Jingsheng Mechanical & Electrical responded the same day, saying it has not yet received formal court documents, that the technical methods used in its products are entirely different from those in the patents at issue, and that it will actively defend itself if it receives formal documents. The court hearing the case is known for its fast-paced trials and friendliness to patent holders. According to Lex Machina's 2025 Patent Litigation Report, the Eastern District of Texas ranked first among all US patent litigation venues for two consecutive years in 2023 and 2024. In the four trading days after news of the lawsuit emerged, Jingsheng Mechanical & Electrical's share price fell from 42.3 yuan to 38.27 yuan, a cumulative decline of about 9.5 percent, wiping out roughly 5.8 billion yuan in market value.

Jingsheng Mechanical & Electrical released its 2026 interim report, with net profit attributable to the parent company of 232 million yuan, down 63.66% from the same period last year. Total operating revenue was 3.452 billion yuan, down 40.47% year on year. Net cash inflow from operating activities was 1.366 billion yuan. The latest gross margin was 30.42%, and diluted earnings per share were 0.18 yuan, down 63.27% year on year. The company's latest asset-liability ratio was 36.45%, up 4.59 percentage points from the previous quarter.