Founded in , SIN LING CO., LTD has grown into a premier global brass pipe fittings (Raccords en laiton / 真鍮管継手 / Accesorios de tubería de latón) manufacturer and precision components supplier. Backed by decades of engineering experience, we provide reliable OEM solutions under our well-recognized Plum Blossom® brand, trusted by Tier-1 manufacturers and distributors worldwide.
Headquartered in
Taichung, Taiwan —a world-renowned industrial cluster for precision CNC machining and hardware manufacturing—Sin Ling offers absolute supply chain transparency and stability. For global buyers seeking reliable "China Plus One" sourcing strategies, we guarantee a strictly controlled 100% Taiwan manufacturing region ratio for our components. This ensures full compliance with international origin labeling, simplifies product documentation, and provides unmatched supply chain resilience for safety-critical automotive and industrial applications.
SIN LING specializes in high-volume production for:
With an annual output exceeding 10 million precision components, we support customers across commercial vehicles, industrial equipment, fluid control systems, and aftermarket distribution networks.
Every SIN LING product is manufactured under strict quality control—from raw material inspection to final shipment. Our core certifications include:
| CNC Model | Pfiffner | GNUTTI | MIYANO | NAKAMURA-TOME | DMG MORI | CITIZEN CINCOM |
|---|---|---|---|---|---|---|
| Machines |
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| Numbers | 5 | 1 | 15 | 2 | 2 | 25 |
| Category | High volume components | High volume components | Big size components, Forging/Casting | Medium size components, Assembly | Medium size components, Assembly | Small size components |
| Raw material | Brass, Steel, Zinc alloy, Stainless, Aluminum | Brass, Steel, Zinc alloy, Stainless, Aluminum | Brass, Steel, Zinc alloy, Stainless, Aluminum | Brass, Steel, Zinc alloy, Stainless, Aluminum | Brass, Steel, Zinc alloy, Stainless, Aluminum | Brass, Steel, Zinc alloy, Stainless, Aluminum |
| Machining size |
Rod Ø45 Hex H38 |
Rod Ø100 | Rod Ø100 |
Rod Ø45 Hex H36 |
Rod Ø52 Hex H45 |
Rod Ø20 / Ø32 |
| Application |
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| Max. capacity | 100,000/day | 100,000/day | 20,000/day | 30,000/day | 20,000/day | 60,000/day |
Sin Ling supplies precision fittings and machined components for automotive, commercial vehicles, pneumatic systems, hydraulic equipment, industrial machinery, fuel systems, and general fluid control markets. We are recognized globally as a trusted brass pipe fittings manufacturer and OEM supplier.
Yes. Sin Ling offers full OEM fittings development, including design support, prototyping, custom materials, special geometries, and tailored packaging. We also provide advanced multi-axis machining services for complex and high-precision components.
We produce fittings and machined parts in brass, copper, steel, stainless steel, and aluminum. Material selection depends on customer specifications, operating pressure, corrosion resistance, and industry requirements.
Yes. Sin Ling holds ISO 9001, IATF 16949, and FMVSS 571.106 DOT certifications. These ensure consistent quality and compliance for safety-critical components such as air brake fittings, hydraulic connectors, and industrial pneumatic parts.
Yes. As a hydraulic hose fittings manufacturer, Sin Ling produces hydraulic adapters, ORB/SAE threads, JIC fittings, banjo components, and custom hydraulic connectors made to customer drawings.
Our factory is equipped with multi-spindle CNC machines, rotary transfer systems, and high-speed turning centers. We specialize in multi-axis machining services, enabling high-volume production with tight tolerances and consistent accuracy.
Lead time varies based on order quantity and product complexity. Most Standard brass fittings are typically in stock, while custom OEM parts or complex multi-axis components may require additional engineering and tooling time.
Absolutely. We have decades of experience supplying long-term production programs for global OEMs, Tier-1 manufacturers, and large distributors. We offer forecasting management, safety stock planning, and stable production capacity exceeding 10 million parts per year.
Yes. We export to North America, Europe, Japan, Australia, and many other regions. Our fittings and machined components are widely used by OEMs, performance manufacturers, hydraulic integrators, and global distributors.
You can contact Sin Ling directly via email with product drawings, specifications, usage requirements, and annual volume. Our engineering team will review your request and provide a detailed quotation and lead time.
