苏州固锝：公司全资子公司苏州晶银自2021年开始推出银包铜技术，异质结电池的浆料成本大为降低

Core Viewpoint - Suzhou Gude's subsidiary, Suzhou Jingyin, has significantly reduced the cost of silver paste for heterojunction solar cells since 2021 by introducing silver-coated copper technology, which is expected to meet customer demands by 2025 [2] Group 1 - The silver-coated copper paste product with 10% silver content is projected to achieve a photoelectric conversion efficiency comparable to high-silver-content pastes by 2025 [2] - The sales of photovoltaic silver paste primarily utilize a back-to-back pricing model, which locks in silver prices based on customer orders while charging processing fees, thus minimizing risks associated with silver price fluctuations [2]