— Providing customized, end-to-end powder coating services for manufacturers of automotive parts such as wheel hubs and battery housings

As a professional powder coating R&D, customization, and production service provider, we have deep expertise in the automotive parts coating field, focusing on core components such as automotive wheels, new energy vehicle battery housings (power battery pack housings, battery covers), body structural parts, and interior hardware. Leveraging our professional R&D team and automated production capabilities, we offer integrated powder coating solutions from formula development, sample making, mass production to technical support. Our solutions strictly adhere to the stringent standards of the automotive industry, balancing safety compliance, performance standards, aesthetic appeal, and production efficiency. We help automotive parts manufacturers reduce costs, increase efficiency, and enhance product competitiveness, catering to the needs of both traditional fuel vehicles and new energy vehicles.

I. Key Points of Powder Coating for Automotive Parts (Suitable for Core Components such as Wheel Hubs and Battery Housings)

Automotive parts (especially wheel hubs and battery housings) operate under unique conditions, placing significantly higher demands on the performance and compliance of powder coatings compared to other industries. Our core approach focuses on the following five key points to precisely match the application scenarios and industry standards of these parts:

1. Stringent Safety and Compliance Standards

All powder coatings comply with automotive industry environmental standards such as RoHS, REACH, and ELV. They are free of heavy metals and VOC emissions, meeting the specific requirements of new energy vehicle battery housings, including flame retardancy, low odor, and leakage prevention. Wheel hub powder coatings meet original equipment manufacturer (OEM) certification standards, eliminating environmental and safety hazards.

2. Specialized Performance Adaptation

Core performance is customized for different components—wheel hub powder coating emphasizes high hardness, scratch resistance, impact resistance, salt spray resistance, and high/low temperature resistance, resisting bumps, rain erosion, and extreme temperature differences during driving; battery casing powder coating emphasizes flame retardancy (UL94 V0 grade), insulation, resistance to damp heat, and chemical corrosion resistance, while also meeting lightweight coating requirements and eliminating battery safety hazards; interior component powder coating emphasizes low odor, low VOC, and abrasion resistance, meeting in-vehicle environmental protection requirements.

3. Premium Appearance and Texture

Aligning with automotive design aesthetics, wheel hubs offer exclusive metallic colors, matte, high-gloss, brushed, and sandblasted textures, supporting brand-specific color customization. The coating is uniform and full, without particles or orange peel texture, enhancing the premium feel of the components; battery casing powder coating can be customized with matte, frosted, and other understated textures, balancing insulation performance and aesthetic consistency.

4. Highly Efficient Process Adaptation

The powder coating is compatible with mainstream electrostatic and fluidized bed spraying processes for automotive parts. It optimizes particle size distribution and charge properties, achieving a high powder coverage rate (≥95%), full edge and corner coverage, and a wide curing window (accommodating different curing requirements from 160-220℃). It can be used for batch coating of complex structural parts such as wheel hubs and battery casings, reducing rework rates and energy consumption, and improving production cycle time.

5. Stability and Durability

During mass production, key indicators such as powder particle size, flowability, and curing performance are strictly controlled to ensure consistent powder quality across each batch. The coating is resistant to peeling, chalking, and discoloration over long-term use. Wheel hub powder achieves over 5 years of outdoor weather resistance stability, while battery casing powder is suitable for the entire lifecycle (8-10 years) of automotive applications.

II. Customized Powder Coating Solutions for Automotive Parts (End-to-End Collaboration, On-Demand Customization)

We focus on the core needs of automotive parts manufacturers, breaking through the limitations of standardized powder coatings to provide a full-chain customized service encompassing "demand matching - formula development - sample verification - mass production - technical support." We primarily cater to core components such as automotive wheels and battery housings, flexibly addressing different substrates, operating conditions, and process requirements:

1. In-depth Needs Diagnosis, Precise Solution Design

Our technical team will provide one-on-one support to precisely identify your core pain points:

- Part type (wheel/battery housing/structural components, etc.), substrate material (aluminum alloy/cold-rolled steel/galvanized sheet, etc.), application scenario (outdoor/in-vehicle/battery pack interior);

- Performance indicators (salt spray resistance, flame retardancy rating, hardness, insulation performance, high and low temperature resistance range, environmental certification requirements);

- Appearance requirements (color code, gloss, texture, coating thickness), spraying process parameters (curing temperature/time, spraying line type, production cycle time);

Based on the above requirements, combined with automotive industry standards and component operating conditions, we will tailor a custom powder formulation and coating process solution for you, clearly defining technical standards, delivery cycle, and cost budget to ensure the solution is feasible and mass-producible.

2. Customized Formulation Development, Free Sample Verification

- Relying on a professional R&D laboratory, we will select suitable resin systems (polyester/epoxy/acrylic/fluorocarbon) for your customized needs, and combine them with special curing agents and functional additives (flame retardants, insulating additives, weather-resistant additives) to develop a custom powder formulation, focusing on optimizing core performance such as impact resistance of wheel hubs and flame retardancy and insulation of battery casings;

- We provide free sampling services, quickly deliver samples, and support you in conducting laboratory performance tests (salt spray, flame retardancy, insulation, high and low temperature resistance) and production line trial spraying. Based on your feedback, we will quickly adjust the formulation details until the sample perfectly matches your product standards and production processes, ensuring deviation-free mass production.

3. Batch Production Control, Stable and Efficient Delivery

- Utilize automated production lines for batch production, incorporating precision testing equipment throughout the process to monitor key indicators such as powder particle size distribution, flowability, electrical conductivity, and curing performance. Implement a batch traceability system to ensure consistent powder quality for each batch, meeting the uniformity requirements of mass-produced automotive parts.

- Provide third-party testing reports and factory inspection reports, strictly complying with automotive OEM certification standards. We flexibly adjust delivery cycles according to your production plans, supporting expedited delivery for bulk orders to ensure your production schedule is not affected.

4. Full-Process Technical Support, Continuous Iteration and Optimization

- During batch painting, we dispatch technical engineers to provide full-process support, assisting you in resolving process issues such as poor leveling, orange peel, pinholes, and exposed substrate at edges, optimizing painting parameters, and improving production efficiency and product qualification rates.

- As the automotive industry upgrades (such as lightweighting and premiumization of new energy vehicles), we simultaneously provide formula iteration and performance upgrade services, such as optimizing lightweight coating formulas for battery casing powder and improving the weather resistance and decorative performance of wheel powder, adapting to your product upgrade needs in the long term and establishing a long-term, stable cooperative relationship. III. Compatible Core Components Description

- Automotive Wheels: Compatible with aluminum alloy and steel wheels, offering metallic, matte, and sandblasted finishes, enhancing impact resistance, salt spray resistance, and scratch resistance, meeting original equipment manufacturer (OEM) appearance and performance standards;

- Battery Housings: Compatible with power battery pack housings and battery covers for new energy vehicles, featuring flame retardancy, insulation, moisture and heat resistance, and low odor, while also being lightweight, eliminating safety hazards such as battery leakage and fire;

- Other Accessories: Customized powder coating solutions can be provided for automotive body structural components, interior hardware, door handles, etc., comprehensively covering the coating needs of automotive parts.