News

SIPU supplies full RoHS & REACH compliant eco coil production materials: halogen-free enameled wire, lead-free solder and flame-retardant wrapping tape. Matched with our low-energy winding, taping and soldering machines, the one-stop green solution helps electronics factories pass export audits, cut material waste and realize low-emission, cost-effective coil manufacturing for automotive and new energy industries.

SIPU's self-developed full-auto 13F relay coil production line is delivered to an auto electronics factory. This 7-in-1 integrated 32-spindle line reaches 500–600 pieces per hour with over 99.5% yield. The open-frame design simplifies maintenance and supports MES data connection. This flexible equipment can also be customized to produce solenoid valve, motor stator and VCM coils for global manufacturers.

New energy high-voltage coils demand high precision winding and tension control. This article covers these challenges and shows how Sipu's servo-controlled winding machines and full-automatic lines help coil factories achieve consistent quality for photovoltaic, energy storage and new energy vehicle projects.

This guide outlines 7 essential factors for buying automatic winding equipment, including product specifications, manufacturer verification, technical parameters, customization capabilities, tooling ecosystem, after-sales support, and total cost of ownership. SIPU Mechanical provides one-stop solutions with winding machines, pin insertion machines, and precision tooling for global coil manufacturers.

As the first quarter of 2026 draws to a close, SIPU Mechanical is experiencing its peak spring delivery season. Relying on our robust manufacturing capabilities and strict quality control, multiple batches of high-precision winding machines and customized fully automatic coil production lines are being delivered on schedule to customers across the country. We fulfill our commitment to every client through "on-time delivery."

As the Lunar New Year approaches, SIPU Mechanical held its 2025 Annual Gala. Reflecting on a year of delivering high-precision Automatic Coil Winding Machines for Relays, Solenoid Valves, and Ignition Coils, we are ready to optimize internal processes and embrace global opportunities in 2026 with stronger team cohesion.

SIPU delivers a breakthrough Dual-Channel Automatic Ignition Coil Assembly Line. This customized solution tackles automotive manufacturing challenges with parallel processing and smart integration for high-volume, precision production.

Reflecting on 2025, SIPU Mechanical celebrates a milestone debut at CWIEME Berlin and breakthroughs in the European market. Discover our latest upgrades in Coil Winding & Automation solutions, and explore our strategic vision for smart automation in 2026.

Is manual winding draining your profits? This deep-dive analysis compares the costs of manual vs. fully automatic coil production. Discover how switching to SIPU's 32-spindle automation lines can reduce labor requirements by 90%, ensure 99.9% quality yield, and achieve a full ROI in just 12-18 months.

Discover how SIPU's design has evolved over 10 years to meet high-precision demands. From switching to heavy-duty steel frames for ABS coils to developing Mirror Layouts for Solenoid valves, see the engineering logic behind our upgrade.

SIPU Mechanical offers high-precision winding machines & automated coil production lines for contactors, door locks, solenoid valves, relays, boosting efficiency & quality.