Sheng Maisi is a custom sheet metal fabrication company providing precision sheet metal parts for rapid prototyping and high-volume industrial manufacturing, with tight tolerances, ISO-certified quality, and fast global delivery.

Precision quality with 3-day lead time

20+ materials, 10+ finish options

Sheet metal fabrication drives innovation across industries, offering unmatched flexibility for complex geometries and robust assemblies. Our automated CNC processes reduce waste by 25% and improve repeatability to 99.8%, per industry benchmarks.

Tolerance: ±0.1 mm, laser cutting, with accuracy 50% higher than manual processing.

Speed: 40% faster prototyping than traditional fabrication (2-5 days vs. 7-10 days).

Applications: Over 70% of industrial enclosures rely on sheet metal

Sheet metal fabrication is the manufacturing process of transforming metal sheets (typically ranging from 0.5mm to 6mm in thickness, such as steel, aluminum, stainless steel, etc.) into desired shapes and structures through a series of processes. Since thin metal sheets are more prone to deformation than thicker workpieces, various techniques can be employed for processing. Generally, the complete sheet metal fabrication process can be divided into three main categories.

We skillfully cut sheet metal into desired shapes using advanced techniques like laser cutting and punching, delivering clean edges and exact specifications for your projects.

Through bending, forming, and rolling, we transform metal sheets into complex geometries with high accuracy, meeting your custom design needs effortlessly.

Our assembly process joins components seamlessly with welding, riveting, or fastening, creating durable, ready-to-use products tailored to your requirements.

With over 5+ years in precision manufacturing, SMS is a trusted China sheet metal supplier, combining advanced CNC machinery and experienced engineering to deliver sheet metal parts that meet demanding industry standards. ISO 9001 certified and relied upon by global aerospace and automotive companies, we provide consistent quality, competitive pricing, and dependable lead times for OEM programs.

High-precision tolerances up to ±0.1 mm are achieved through laser cutting and CNC bending — ideal for aerospace and medical applications.

Prototypes in 2-5 days, production in 1-3 weeks, beating industry averages by 20%.

Work with 20+ metals, including aerospace-grade titanium and corrosion-resistant 316 stainless steel.

From DFM (Design for Manufacturability) analysis to post-processing like passivation, we reduce costs by up to 15%.

Handle 1-off prototypes or 10,000-unit runs with consistent quality, backed by automated quality control.

Leverage China’s manufacturing ecosystem for 30-40% savings compared to Western suppliers, without sacrificing quality.

Our proven 3-step process minimizes lead times and maximizes quality, supported by real-time tracking and dedicated project managers.

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Upload 2D/3D files (STEP, DXF, etc.); our engineers provide free DFM feedback within 12 hours.

Receive a detailed quote in 24 hours, with material and finish options tailored to your budget and timeline.

Parts are fabricated with in-process ZEIZZ CMM inspection, shipped globally with DHL/UPS in 3-10 days.