风华高科：目前公司的抗硫化电阻器等产品已直接应用于光模块产品上

Core Viewpoint - Fenghua High-Tech (000636) emphasizes the integral role of PCB (Printed Circuit Board) and electronic components in forming complete electronic systems, which determine the performance, reliability, and cost of electronic end products [1] Group 1: Company Insights - The company has confirmed that its products, including anti-sulfur resistors, MLCC (Multi-Layer Ceramic Capacitors), and RF inductors, are directly applied in optical module products [1] Group 2: Industry Context - PCB and electronic components are essential components of electronic circuits, working together to create a complete electronic system [1]