• March 20. 2026

Recently, the international situation has undergone dramatic changes. The US-led assassination of Iranian officials has stirred up a ripple effect, like a boulder thrown into a lake, and the shadow of localized war has quickly loomed. In this sudden upheaval, the business world has been hit hardest, with customer orders and cargo transportation being the first to feel the impact. The once stable a...

• March 03. 2026

In early 2026, global commodity markets experienced increased volatility: gold prices broke through $5,189 per ounce, and prices of non-ferrous metals such as copper and tin rose by more than 20% year-on-year. Prices of epoxy resin and fiberglass, key raw materials for PCB boards, also continued their upward trend. For the optical module industry, these raw materials form the "basic framework" of ...

• September 18. 2025

CWDM and DWDM, the "two brothers" in fiber optic communications, differ by only one letter in their names, but the difference is huge! Today, this article will explain the core differences and help you quickly distinguish them. Ⅰ. Transmission Capacity: Worlds Apart Technically, both rely on wavelength division multiplexing (WDM) technology, but they differ significantly in key parameters. DWDM (D...