Emphasis on "Cold Spark Plugs" for turbocharged engines and miniaturized electrode designs to ensure stable ignition under high-pressure conditions.
B2B buyers are increasingly seeking factories that offer one-stop supply chain solutions, combining price competitiveness with strict OE-standard quality control.
From high-durability plugs for the Russian climate to precision-engineered components for German and Japanese vehicle models.
Founded in 2011, Zhejiang DC-Link Auto Co., Ltd. is headquartered in Yiwu, China—the world's premier international trade hub. With over 15 years of deep expertise in the automotive parts sector, we have established ourselves as a reliable authority in engine components, specialized ignition systems, and comprehensive vehicle maintenance solutions.
Our company operates with a professional management team dedicated to efficiency and high-quality service. We have earned the trust of over 300 clients across 60+ countries, providing a one-stop shop for everything from turbochargers to braking and steering systems.
Our manufacturing strength lies in our distributed network of specialized factories and our massive logistical backbone. With facilities in Ningbo, Qingdao, and Yiwu, we ensure that every spark plug is inspected, collected, and loaded with maximum efficiency.



Our partner factories are equipped with cutting-edge machinery. Every production process is overseen by highly-skilled technical teams. We strictly adhere to timelines and technical procedures to guarantee that every new product development meets the exact requirements of our clients.
Commitment to excellence is our core value. Zhejiang DC-Link Auto Co., Ltd. is certified under the ISO 9001 quality management system. Our partner factories hold additional international certifications including IATF 16949, CE, and TS16949. These certifications are not just badges; they are our promise to deliver aftermarket parts that meet or exceed OE (Original Equipment) standards.
Being based in Yiwu allows us to integrate raw material sourcing, production, and logistics into a seamless flow, significantly reducing lead times for our global clients.
We provide extensive customization options, allowing wholesalers to develop their own brands with high-quality components that match the specs of NGK, Bosch, or Denso.
We provide free inspection services for goods sourced from other suppliers. Detailed inspection reports and photos are shared before any shipment is arranged.