Suzhou-based Rongsu Technology has secured nearly 100 million RMB in Series A funding led by Henan Yuzi Group and Su Gaoxin Rongxiang Fund. The capital will support production line expansion and technical optimization of their Directed Energy Deposition (DED) wire-feed metal 3D printing systems. The company, founded in 2020 by Dr. Xu Fangda, has scaled its production capabilities to 4 kg/hour with laser power reaching 15,000 watts. Additionally, they launched the Laser Mini, a desktop-grade multi-laser wire-feed metal 3D printer designed for research and educational applications, expanding their portfolio beyond industrial-scale equipment.

Rongsu Technology operates within the DED segment of the metal additive manufacturing market, specifically transitioning from Wire Arc Additive Manufacturing (WAAM) to Laser Wire Additive Manufacturing (WLAM). By focusing on large-format metal components for aerospace, metallurgical, and petrochemical sectors, the company competes with established DED providers by emphasizing surface finish quality and deposition rates. While Laser Powder Bed Fusion (LPBF) remains the standard for high-complexity, small-to-medium parts, Rongsu's DED approach targets the structural repair and large-part manufacturing niche where material efficiency and build speed are critical for cost parity with traditional subtractive manufacturing.

The company's move to scale production capacity to 300 million RMB in annual revenue potential indicates a transition from R&D-heavy operations to industrial delivery. Success will depend on their ability to maintain metallurgical consistency at the 4 kg/hour deposition rate while proving the economic viability of their WLAM process against conventional forging and casting. Buyers should evaluate the post-processing requirements for their parts, as the transition from WAAM to WLAM aims to reduce, but not eliminate, the need for secondary machining.