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Cangzhou JUDUN Pipeline Protection Equipment Co., Ltd.
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Zhongrong Village, Qiantong Town, Yanshan County, Hebei Province
Reliable Pipe-to-Soil Potential Measurements Start with the Right Portable Cu/CuSO₄ Reference Electrode
For cathodic protection technicians, a voltage reading is only useful when the reference point behind that reading is dependable. During pipeline surveys, troubleshooting, commissioning, and routine cathodic protection inspections, technicians often focus on the digital voltmeter, test lead, or measurement procedure. However, the Portable Copper/Copper Sulfate Reference Electrode (Cu/CuSO₄ Reference Electrode or CSE) is equally important because it provides the reference potential against which the structure-to-electrolyte potential is measured. Portable Cu/CuSO₄ reference electrodes are widely associated with field cathodic protection measurements on buried metallic structures, including manual pipe-to-soil readings and survey work such as CIS and DCVG.
Aug 11,2026
Announcement by the Tariff Commission of the State Council on Adjusting Tariffs on Imported Goods Originating in the United States
Tax Committee Announcement No. 6 of 2025
On April 10, 2025, the U.S. government announced that it would further raise the tariff rate for Chinese goods exported to the U.S. under the “reciprocal tariffs” to 125%. The U.S. imposition of extraordinarily high tariffs on China seriously violates international trade rules, basic economic principles, and common sense, and constitutes nothing but unilateral bullying and coercive practices.
In accordance with the laws and regulations of the People’s Republic of China, including the Customs Law of the People’s Republic of China, the Tariff Law of the People’s Republic of China, and the Foreign Trade Law of the People’s Republic of China, as well as the fundamental principles of international law, and with the approval of the State Council, tariff measures on imported goods originating from the United States will be adjusted starting April 12, 2025. The relevant details are as follows:
1. The tariff rates stipulated in the “Announcement of the Tariff Commission of the State Council on Adjusting the Additional Tariffs Imposed on Imported Goods Originating in the United States” (Tariff Commission Announcement No. 5 of 2025) shall be adjusted from 84% to 125%. Given that, at the current tariff levels, U.S.-originated goods still lack market acceptance in China, if the U.S. side continues to impose additional tariffs on Chinese goods exported to the U.S., the Chinese side will disregard such actions.
2. Other matters shall be governed by the “Announcement of the Tariff Commission of the State Council on Additional Tariffs on Imported Goods Originating in the United States” (Tariff Commission Announcement No. 4 of 2025).
State Council Tariff Commission
April 11, 2025
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