Solar PV System Parts | Precision Die-Cast Components for Inverters & Storage

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Sino Die Casting: Precision Manufacturing for Photovoltaic (PV) System Components

Established in 2008 in Shenzhen, China, Sino Die Casting is a high-tech enterprise specializing in high-precision mold manufacturing, die casting, and CNC machining for the global photovoltaic (PV) industry. Our ISO 9001-certified facilities produce durable, lightweight components for solar inverters, mounting systems, junction boxes, and battery storage units, supporting clients from rapid prototyping to mass production. With expertise in aluminum, magnesium, and zinc alloys, we optimize parts for thermal management, corrosion resistance, and structural integrity in harsh outdoor environments. Our PV system solutions are exported to over 50 countries, meeting international standards such as IEC 62109 and UL 6703. Whether you need die-cast aluminum enclosures for string inverters, magnesium alloy brackets for rooftop solar arrays, or custom CNC-machined connectors for hybrid PV systems, we deliver cost-effective, high-performance parts tailored to your project requirements.
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Why Sino Die Casting is the Top Choice for PV System Manufacturers

Cost-Effective Scaling for Utility-Scale Projects

Our 12,000㎡ facility houses 88T–1350T die-casting machines and 5-axis CNC centers, supporting seamless scaling from 1,000 to 100,000+ units. A Latin American solar developer cut per-unit costs by 28% by switching to our automated production lines, which reduced material waste through precision mold flow simulation.

Related products

Sino Die Casting is a trusted supplier of high-quality solar PV system parts, catering to the diverse needs of the solar energy industry. Our company specializes in producing a wide range of components that are essential for the efficient and reliable operation of solar power systems, including solar panel frames, mounting brackets, junction boxes, connectors, and inverter enclosures. By utilizing advanced high-precision mould manufacturing and die casting techniques, we ensure that our parts are precision-engineered to meet the exact specifications of our clients, facilitating seamless integration into their solar installations. Our solar PV system parts are made from durable materials that are resistant to corrosion, UV radiation, and extreme weather conditions, ensuring long-term performance and reliability. We also offer custom part production services, allowing us to create unique components that address specific design challenges or performance requirements. Our team of skilled engineers and technicians works closely with clients throughout the development process, providing expert guidance and support to ensure that our parts meet their expectations. With ISO 9001 certification, we guarantee that our products adhere to the highest quality standards, providing you with components that enhance the efficiency and sustainability of your solar power systems. Whether you are a solar panel manufacturer, installer, or system integrator, Sino Die Casting is your reliable partner for sourcing high-quality solar PV system parts.

Frequently Asked Questions

What’s your minimum order quantity for custom PV connectors?

We accept orders as low as 500 units for prototyping, with flexible scaling. A startup developing a plug-and-play solar connector ordered 800 units for field trials, then scaled to 50,000/month after validation, using the same molds to maintain consistency.

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customer evaluation

Benjamin
Sustainable Materials Without Compromise

Their recycled aluminum junction boxes matched the performance of virgin metal in salt spray tests, helping us achieve carbon-neutral certification for our solar microgrid projects.

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 AI-Optimized Mold Flow for Zero-Defect PV Parts

AI-Optimized Mold Flow for Zero-Defect PV Parts

Our Moldflow software predicts air traps and weld lines in inverter casings, reducing porosity by 45%. For a client’s 50kW solar inverter, this eliminated manual polishing, cutting costs by $9,000 per mold set.
In-House CNC Finishing for Tight Tolerances

In-House CNC Finishing for Tight Tolerances

5-axis machining centers achieve ±0.01mm precision on PV connector molds. A automotive client reported a 99.7% first-pass yield rate on die-cast parts, reducing rework by 75%.
Global Logistics Support for Utility-Scale Projects

Global Logistics Support for Utility-Scale Projects

We partner with DHL and Maersk to offer door-to-door delivery for PV components, with real-time tracking and customs clearance assistance. For a 200MW solar farm in Chile, we coordinated air freight for urgent parts, avoiding $500,000 in potential delays.