Custom Forging
Hot and cold forging services for alloy steel connectors, flanges, gears, shafts, sleeves, tees, and valves built for demanding industrial applications.
A-SPARK Manufacturing delivers precision-forged alloy steel parts backed by engineering support, strict quality controls, and scalable production. From shafts and flanges to valves and connectors, we help OEMs and industrial buyers source dependable components with consistent documentation, traceability, and supply chain coordination across Asia.

Precision forging, machining, engineering, and quality support for complex industrial alloy steel component production.
Hot and cold forging services for alloy steel connectors, flanges, gears, shafts, sleeves, tees, and valves built for demanding industrial applications.
Precision CNC machining refines forged parts to required tolerances using advanced equipment, proper fixturing, quality tooling, and skilled engineering oversight.
Comprehensive quality planning and inspection support includes CMM measurement, optical inspection, PPAP documentation, traceability, and corrective action processes.
Engineering-led design and development support helps move forged part concepts from prototype to production with manufacturability and material reviews.
Integrated manufacturing and assembly services streamline downstream production with fastening, welding, testing, packaging, and final quality control.
End-to-end logistics and hub services support reliable delivery, import coordination, and supply chain planning for global industrial customers.
Our industrial alloy steel forged parts service is designed for buyers who need more than raw production capacity. A-SPARK Manufacturing combines forging expertise with machining, documentation, traceability, and engineering support to deliver production-ready components that meet demanding industrial standards. Whether you need complex geometries, repeatable quality, or coordinated sourcing across Asia, we help reduce risk and improve supply chain performance.

See how industrial buyers rely on consistent quality, engineering support, and dependable production execution.
We help industrial buyers source forged parts with confidence through engineering depth, quality discipline, and coordinated execution.
Backed by 20+ years of in-house partnership in die casting and assembly.
ISO 9001:2015 and IATF 16949-aligned systems support traceability, consistency, and risk reduction.
Fast design analysis and manufacturability reviews help shorten prototyping cycles and speed production readiness.
From sourcing to logistics, integrated support simplifies complex manufacturing programs across Asia.
Experienced specialists supporting complex industrial production programs.
A-SPARK Manufacturing builds on the legacy of its parent company, LEGE Corp, which brings over 40 years of experience in Taiwan and 20 years of operations in Vietnam. That foundation shapes how we support industrial customers with precision, reliability, and responsive project execution. From our base in Bac Ninh Province and operations connected to regional manufacturing hubs such as Dongguan, our team understands the realities of sourcing, engineering, and production across Asia. We focus on practical collaboration, strong documentation, and disciplined quality systems so OEMs and industrial buyers can move from concept to production with greater confidence, better visibility, and a partner committed to long-term manufacturing success.
A-SPARK Manufacturing produces a range of forged components including connectors, flanges, gears, shafts, sleeves, tees, and valves. These parts can be supported with downstream machining, inspection, and documentation services to meet industrial application requirements. The company works with customers needing durable, precision-engineered components for sectors such as industrial equipment, oil and gas, automotive, and other demanding OEM environments.
Talk with our team about specifications, quality requirements, and production support.
Certified quality management system compliance.
Automotive-focused quality system certification.
Documented inspection and lot control.
Share your part specifications, volumes, drawings, and quality needs. Our team will review your project and recommend the right manufacturing support.
For immediate assistance, feel free to give us a direct call at +8435 468 5699. You can also send us a quick email at sales@a-sparkvn.com.
For immediate assistance, feel free to give us a direct call at +8435 468 5699. You can also send us a quick email at sales@a-sparkvn.com.