Top 7 Chinese Manufacturers for Custom Profiles Led by Tai’an Aluminum

For companies sourcing custom aluminum profiles from China, the supplier's extrusion capability is only one part of the evaluation. Tooling development, alloy selection, surface treatment, quality certification, production capacity, and communication during the sampling stage can all affect the final result.

For custom projects, buyers usually need to provide drawings or technical requirements first. The supplier then has to convert those requirements into an extrusion die, produce samples, confirm dimensions, and move into mass production.

This is why manufacturers with in-house engineering and tooling capabilities can be easier to work with on complex profiles.

What Should Be Checked Before Choosing a Supplier?

There are several technical points worth checking before placing an order.

Extrusion Tooling and Engineering Capability

Custom aluminum profiles depend heavily on die design. For complicated hollow sections or profiles with uneven wall thickness, poor die design can create problems with metal flow, dimensional consistency, and profile deformation.

Chinese extrusion manufacturers may use H13 tool steel, CNC machining, and wire EDM equipment to produce extrusion dies. Engineering teams can also use computer-based simulations and trial production to identify potential metal-flow problems before full production.

For buyers, useful questions include:

• Does the supplier design extrusion dies in-house?

• Can the factory modify the die after sampling?

• What tolerances can be maintained for the proposed profile?

• Can the manufacturer produce hollow and multi-cavity sections?

• Is CNC machining available after extrusion?

Common alloy choices include 6063, 6061, 6082, and 6005A. For applications requiring a combination of appearance and structural performance, 6063-T5 is frequently used.

6063-T5 aluminum can be processed into profiles for architectural and industrial applications, while other alloy grades may be selected according to strength and application requirements.

Certifications and Quality Control

International buyers also need to check the supplier's quality management system and relevant product documentation.

ISO 9001 is commonly used as a reference for quality management. Depending on the destination market and application, buyers may also need documentation related to CE, RoHS, ISO 14001, or other applicable standards.

It is useful to confirm whether certificates are current and whether the supplier can provide supporting documentation for the actual material and production batch.

Material traceability is another practical issue. For larger projects, buyers may request material test certificates and heat-number information so that the alloy composition can be checked against the purchase requirements.

Tai'an Aluminum and Custom Profile Production

Jiangxi Tai'an Aluminum was established in 2017 and provides aluminum extrusion and related processing services.

One of the points worth considering for custom-profile projects is its integrated production setup. Aluminum extrusion, surface treatment, and other processing operations can be coordinated within the company's production system.

Tai'an Aluminum also provides CAD drawing assistance for customers developing customized profiles. This can be useful when a buyer has a concept or technical drawing but needs support before the extrusion die is produced.

The company reports an annual production capacity of 50,000 tons.

Extrusion and Surface Treatment Options

Different projects may require different finishing processes after extrusion.

Tai'an Aluminum provides several surface treatment options, including:

• Anodizing

• Electrophoresis

• Powder coating

• Other customized surface treatments

These processes can be selected according to the required appearance, corrosion resistance, application environment, and project specifications.

The company produces profiles for applications such as window and door systems, heat sinks, solar mounting systems, machinery, and other industrial or architectural uses.

Its product range includes 6063-T5 window profiles, heat-dissipation components, multi-hole profiles, solar-related profiles, and other customized aluminum sections.

Other Chinese Aluminum Extrusion Manufacturers

Tai'an Aluminum is one option among Chinese aluminum extrusion suppliers. Buyers may also compare different manufacturers according to their production scale and specialization.

China Zhongwang

China Zhongwang operates on a large industrial scale and supplies aluminum products for transportation, aerospace, machinery, infrastructure, and other applications.

The company has reported large-scale production capacity and serves customers requiring high-volume aluminum products.

For buyers, its main consideration is generally large-scale manufacturing capability rather than only small-batch customized profiles.

Xingfa Aluminium

Xingfa Aluminium is another established name in the Chinese aluminum extrusion industry.

Its product range covers architectural and industrial aluminum profiles, including products used for doors, windows, building systems, and other applications.

Buyers working on architectural projects may consider Xingfa Aluminium when comparing suppliers with established building-profile production capabilities.

JMA Aluminium

JMA Aluminium produces aluminum products for architectural and industrial applications.

Its product range includes aluminum door and window components, thermal-insulation window systems, curtain-wall-related products, and customized profiles.

The company also places attention on environmental management and recycled aluminum-related production practices.

Chalco

Chalco operates across different parts of the aluminum industry and provides standard and specialized aluminum products.

For buyers looking for large-scale industrial supply or specific alloy and extrusion capabilities, Chalco can be included in a broader supplier comparison.

Specialized Aluminum Extrusion Suppliers

Not every project requires a large integrated aluminum producer. Some buyers may instead prefer suppliers that focus more heavily on customized extrusion and secondary processing.

SHENGXIN Aluminium

SHENGXIN Aluminium works with alloy grades including 6063, 6061, 6005, 6005A, and 6082 and provides customized aluminum extrusion services.

Its capabilities include extrusion, cutting, drilling, bending, CNC machining, and surface treatment.

The company has reported approximately 100,000 tons of annual production capacity, around 60,000 tons of annual sales, and approximately 16,000 tons of exports.

For industrial projects, these figures can provide buyers with a reference when assessing whether a supplier has sufficient production capacity for larger orders.

Other Chinese suppliers that buyers may compare include:

Supplier	Main Capabilities	Export Markets
Shandong Haomen	Aluminum extrusion and industrial components	Overseas markets
Guangdong Fenglu	Architectural and industrial aluminum products	Europe, Asia and Middle East
Shandong Nanshan	Aluminum products for vehicles and industrial applications	International markets
Shandong Huajian	Doors, windows and industrial aluminum products	More than 40 countries

Wellste and ZP Aluminum

Wellste has more than 20 years of experience in aluminum extrusion and customized aluminum products.

Its reported certifications include ISO9001 and ISO14001. The company works with standards such as GB/T3190-2008, GB/T6892-2006, and GB/T14846-2008.

Its processing capabilities include aluminum extrusion, cutting, punching, bending, stamping, and CNC machining.

For overseas buyers, Wellste also provides export services to markets including North America, Europe, and Asia.

How Can Buyers Compare Different Suppliers?

Production capacity is useful, but it should not be the only comparison point.

A more practical supplier evaluation can include:

Supplier	Reported Capacity	Main Applications	Certifications / Standards
Tai'an Aluminum	50,000 tons	Construction, machinery, vehicles, solar	ISO9001, CE, RoHS
China Zhongwang	1,000,000 tons	Transportation, aerospace, machinery, infrastructure	ISO9001
Xingfa Aluminium	500,000 tons	Buildings, doors, windows, industrial systems	ISO standards
SHENGXIN Aluminium	100,000 tons	Solar, construction, industrial applications	Industry standards
Wellste Aluminium	High-volume production	Machinery, electronics, building systems	ISO9001, ISO14001

The numbers above should be treated as supplier-reported or published figures and verified directly with the manufacturer when they are important to a purchasing decision.

For a custom extrusion project, other questions may actually be more important than annual capacity:

• How quickly can the extrusion die be completed?

• Can the supplier provide CAD assistance?

• How many sampling rounds are included?

• What dimensional tolerances can be achieved?

• Which surface treatments are available?

• Can machining and cutting be completed in-house?

• Can the supplier provide material certificates?

• What is the MOQ?

• What is the expected production lead time?

Tooling Cost and Development Time

Tooling is one of the first costs that needs to be clarified for a custom aluminum extrusion project.

Die prices vary according to profile complexity, die construction, dimensions, and material. Simple solid-profile dies generally cost less than semi-hollow or hollow dies, while complicated profiles can require considerably more expensive tooling.

The original project information gives the following general reference ranges:

• Small solid dies: approximately $300–$600

• Semi-hollow dies: approximately $800–$1,500

• Hollow dies: approximately $1,000–$3,000+

• Complex profiles: potentially $5,000 or more

These figures are not universal market prices. Buyers should request a project-specific quotation because tooling cost depends heavily on profile design.

The same applies to lead time. A custom die may take around 7–15 days, followed by sample production and approval. Full production can then require another 20–30 days depending on order volume and supplier scheduling.

For this reason, approving CAD drawings quickly can have a direct effect on the overall project schedule.

Quality Inspection for Custom Aluminum Profiles

Quality control should cover more than the finished appearance.

Before production, buyers can confirm the alloy grade and material requirements. During extrusion, dimensional measurements should be checked against the approved drawing.

Depending on the project, inspection may include:

• Alloy composition

• Mechanical properties

• Profile dimensions

• Wall thickness

• Surface condition

• Anodizing thickness

• Powder-coating quality

• Cutting length

• CNC machining dimensions

• Packaging condition

Material Test Certificates can also be requested for the relevant production batch.

For surface treatment, specifications should be clearly defined in advance. For example, anodizing thickness may be specified according to the application and applicable standard rather than using a general requirement for every project.

Why In-House Processing Can Matter

A custom aluminum profile often requires more than extrusion.

A typical project may involve:

CAD drawing → die development → extrusion → cutting → machining → surface treatment → inspection → packaging

When multiple processes are handled through different suppliers, additional coordination is required. This can make it more difficult to identify the source of dimensional or surface problems.

An integrated supplier can potentially simplify communication by coordinating several stages within the same production system.

This is one reason buyers may consider Tai'an Aluminum when sourcing customized profiles that require extrusion, machining, and surface treatment together.

Final Points for B2B Buyers

There is no single supplier that fits every custom aluminum extrusion project.

A high-volume construction project may prioritize production capacity and delivery consistency. A machinery manufacturer may care more about dimensional tolerances and CNC machining. A solar project may require specific alloy, surface treatment, and corrosion-resistance requirements.

For a custom profile project, it is therefore useful to evaluate the supplier according to the actual application.

Tai'an Aluminum provides aluminum extrusion, customized profile development, surface treatment, and related processing services. Its reported 50,000-ton annual production capacity and CAD design support are relevant points for buyers evaluating custom-profile suppliers.

Before placing an order, buyers should ideally provide the profile drawing, alloy requirement, temper, dimensions, tolerance, surface treatment, quantity, packaging requirements, and intended application.

The supplier can then confirm tooling requirements, estimated die cost, sampling schedule, production lead time, and final quotation.

For complex aluminum profiles, getting these technical details clear before tooling begins can prevent many avoidable problems later in the production process.

FAQ

Which aluminum alloys are commonly used for custom profiles?

Common choices include 6063, 6061, 6082, 6005, and 6005A. The appropriate grade depends on the required strength, machinability, corrosion resistance, appearance, and application.

What certifications should international buyers check?

Depending on the market and application, buyers may review ISO9001, CE, RoHS, ISO14001, and relevant material or product standards. Certificates should be verified with the supplier before ordering.

How long does custom aluminum extrusion tooling take?

A commonly referenced timeframe is around 7–15 days for die development, followed by sample production and approval. Actual timing depends on profile complexity, die design, sampling requirements, and factory scheduling.

What information should be provided for a custom aluminum profile quotation?

A useful RFQ normally includes the CAD drawing, alloy grade, temper, dimensions, tolerance, surface treatment, required quantity, cutting or machining requirements, packaging, and destination market.

What does Tai'an Aluminum provide?

Tai'an Aluminum provides aluminum extrusion and customized aluminum profile solutions, including CAD design assistance, extrusion, surface treatment, and related processing services. The company reports an annual production capacity of 50,000 tons.

http://www.taianaluminum.com
Jiangxi Tai’an Aluminum Co., Ltd.