When a loom weaves 2116 electronic-grade cloth at 950 rpm, it is no longer just textile machinery but a critical link in the high-performance composites supply chain. At the 29th China International Composites Expo held in Shanghai in early September, four looms for composite fabrics demonstrated dynamically, drawing attention back to the weaving stage—a field long seen as traditional but now being redefined by downstream demand from new energy and low-altitude economies.
Data Behind the Equipment Upgrade Signal
The most visible signal was speed: glass fiber air-jet looms wove 2116 electronic cloth at 950 rpm and the finer 1036 at 900 rpm. For buyers, this means higher output per unit time, directly lowering depreciation and labor costs per meter. For weavers, stable high-speed operation reflects the coordination precision of let-off, weft insertion, and beating-up mechanisms—not simply increasing motor speed. More notably, the same booth featured a glass fiber rapier loom and a carbon fiber jacquard rapier loom. The coexistence of rapier and air-jet technologies indicates that equipment makers are no longer betting on a single route but offering a portfolio tailored to different fiber stiffness, elongation, and fabric structures. Such product matrix maturity often signals the emergence of a specialized equipment segment.
Demand Transmission: From 'Able to Weave' to 'Weaving Well'
The presence of visitors from over ten countries reflects a clear demand chain: lightweighting in new energy vehicles requires high-strength glass fiber composites, longer wind turbine blades need carbon fiber fabrics, and low-altitude aircraft precision directly impacts electronic-grade cloth quality. These applications share a common requirement—fabrics must be free of fuzz, broken ends, or tension variation; otherwise, subsequent resin infiltration and lamination performance degrade. Thus, competition has shifted from 'can it weave' to 'can it maintain consistency at high speed.' The 1036 cloth is thinner and denser than 2116, requiring higher warp tension and shed precision. Stable operation at 900 rpm indicates that the maker has achieved fine control, not just tuned for the show but built on years of process data. For domestic weavers, this is both opportunity and pressure: the chance to break the long-standing import dependence for high-end electronic cloth and carbon fiber fabrics, but also the need to match new equipment with skilled process teams; otherwise, design speed cannot be realized.
Industry Impact: Equipment Localization Enters the 'Deep Zone'
High-performance fiber weaving was once seen as the 'peak' of textile machinery. Now domestic equipment is competing with imported brands on the same stage. From an industrial security perspective, electronic cloth is the core material for copper-clad laminates, which are the basis of PCBs. If weaving equipment remains under foreign control, the entire electronic material supply chain is at risk. Therefore, this showcase is not just corporate behavior but carries the meaning of strengthening the industrial chain. Meanwhile, equipment makers are shifting from selling machines to offering 'equipment + process' packages, changing customer relationships. Previously, weavers bought machines and figured out processes themselves; now makers provide full parameter sets for different fibers, weights, and structures, effectively front-loading process know-how into equipment delivery. This accelerates downstream product development cycles and may reshape industry division—where the core competitiveness of weavers increasingly lies in rapid response and customization.