Group 1 - The State Intellectual Property Office of China has granted a patent for "carbon fiber core optical fiber composite ground wire" to Hebei Silicon Valley Chemical Co., Ltd. and Handan Silicon Valley New Materials Co., Ltd., with the announcement number CN120932988B and application date in October 2025 [1] - Hebei Silicon Valley Chemical Co., Ltd. was established in 2001 in Handan City, focusing on the petroleum, coal, and other fuel processing industries, with a registered capital of 100 million RMB. The company has invested in 7 enterprises, participated in 653 bidding projects, holds 34 trademark registrations, 222 patents, and has 38 administrative licenses [1] - Handan Silicon Valley New Materials Co., Ltd. was founded in 2003 in Handan City, primarily engaged in the manufacturing of chemical raw materials and products, with a registered capital of 150 million RMB. The company has 11 patents and 2 administrative licenses [1]
河北硅谷化工取得碳纤维芯光纤复合地线专利
Sou Hu Cai Jing·2026-02-07 03:58