Injection Molded Parts
Your Professional Injection Molded Parts Supplier
Hangzhou Paida Machinery Factory was established in Hangzhou, Zhejiang Province, China. We specialize in the R&D and production of transmission series products for industrial applications. With an experienced technical team, skilled production staff, and a structured management system, we ensure stable manufacturing capability and consistent product quality. Our factory is equipped with nearly 20 sets of advanced production and processing equipment, supported by high-precision testing instruments to maintain strict quality control throughout production. By integrating modern manufacturing technologies and standardized production processes, we provide reliable, durable, and low-noise transmission solutions for global industrial customers.
Why choose us
Strict Quality Control
A sound quality assurance system and high-precision testing instruments help ensure products meet industry standards for accuracy, durability, and stable performance.
Our Certificate
The company follows a strict quality control system. Products meet GB/T10095 accuracy grades 5–6 and comply with industry standards for stable quality.
Sales Market
With reliable quality and service, the company has built a sales network in China and overseas, supplying customers in multiple countries and regions.
Advanced Production Technology
By using CAD and CAM systems, the company ensures efficient, accurate, and consistent production from design to final assembly.
Automotive Parts and Components
An auto part — also called a car part or vehicle component — is any individual piece, assembly, or system that makes up a motor vehicle. Every car, truck, or SUV is built from thousands of individual auto parts, each with a specific function that contributes to how the vehicle starts, moves, stops, steers, and keeps its occupants safe and comfortable. Without properly functioning auto parts, a vehicle cannot operate reliably or safely.
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Material |
Stainelss steel 304 , 316 , 202 , 201 ,430 . Aluminum 6061 , 6062 ,5052 , Brass , Copper , Cold Rolled Steel , Hot Rolled Steel |
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Size Range |
Min 3.0 X 3.0 mm , Max 1000 X 2000 mm |
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Dimensions |
As client's requirement |
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Thickness |
0.4--20.0 mm |
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Surface Treatment |
Powder coating ,Painting ,Shot blasting, Polsihing ,Electrical galvanizing, Chemical galvanizing, Chrome plating , Nickel Plating, Tumbling, Passivation etc. |
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Machining |
Stamping machine for 6.3 Tons to 160 Tons . |
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Support Software |
Pro-E , UGS , SolidWorks ,AutoCAD |
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Quality Control |
Chemical analysis, mechanical properties, impact testing, pressure testing, 3-D co-ordinate CMC, metallography, magnetic particle flaw inspection, etc. |
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Package |
Carton and Pallet , exact part with package every pc |
Advantages of Automotive Parts and Components
Enhanced Reliability and Performance
Quality car parts are manufactured to meet strict industry standards, ensuring superior performance and reliability.
Extended Lifespan
Quality car parts are built to withstand the rigors of daily driving and harsh environmental conditions. Investing in parts from reliable manufacturers means they are likely to have a longer lifespan compared to cheaper alternatives.
Safety and Peace of Mind
The safety of you, your passengers, and other road users should never be compromised. High-quality car parts are designed with safety in mind, adhering to strict quality control measures and safety regulations.
Compatibility and Fit
Authentic and quality car parts are engineered to fit perfectly with your vehicle's make and model. This ensures a proper fit without any modifications or alterations.
Warranty Coverage
Many reputable manufacturers offer warranty coverage on their quality car parts. This warranty not only protects your investment but also gives you added assurance that the parts are of top-notch quality.
Improved Fuel Efficiency
Quality car parts, especially those related to the engine and fuel system, can contribute to improved fuel efficiency.
Engine Parts
The engine is the heart of a vehicle, converting fuel into mechanical energy. It relies on a complex system of interconnected components working in harmony.
Transmission Parts
The transmission transfers engine power to the wheels at the appropriate speed and torque, enabling smooth acceleration and gear shifting.
Suspension Parts
Suspension systems absorb road shocks, maintain tire contact, and ensure stability and ride comfort.
Brake Parts
Braking components are critical safety systems that convert kinetic energy into heat to slow or stop the vehicle.
Body Parts
Body components include both exterior and interior structural and aesthetic elements that define the vehicle’s appearance and occupant protection.
Electrical Parts
Modern vehicles rely heavily on electrical systems for operation, comfort, and connectivity.
Common Materials of Automotive Parts and Components
Steel: Steel is a primary material in automotive manufacturing due to its strength and durability. It’s used extensively in chassis, engine components, and body panels. According to the International Organization of Motor Vehicle Manufacturers (OICA), around 60% of the mass of a car is made from steel.
Aluminum: Known for its lightweight and corrosion-resistant properties, aluminum is used in engine blocks, wheels, and body panels. The Aluminum Association notes that aluminum can reduce vehicle weight by up to 30%, leading to better fuel efficiency.
Plastic: Plastics, including polypropylene, polycarbonate, and acrylonitrile butadiene styrene (ABS), are used for interior components, bumpers, and trim. The Plastic Industry Association reports that about 10-20% of a vehicle’s total weight consists of plastic parts.
Rubber: Used primarily in tires, seals, and gaskets, rubber’s elasticity and resistance to wear make it essential for automotive applications.
Design Phase
Automotive parts manufacturing begins with design, which involves determining requirements, CAD design, and design process planning. All parties work together to determine part requirements, design and test using CAD software. The design process includes concept development, verification, prototyping, test improvement, and final approval.
Mold Casting
Covering pattern making (selecting materials according to parts and casting methods), mold formation (sand molds, permanent molds, ceramic shell molds for different parts), melting and pouring, cooling and solidification, casting and finishing.
Prototype Design and Testing
Prototype Design: Including 3D printing, CNC machining, manual model making; functional prototypes to evaluate performance and assembly; pre-production prototypes to test manufacturing processes.
Testing: Performance testing (pressure, durability), environmental testing (temperature and humidity, corrosion), safety testing (collision, impact), regulatory compliance testing.
Batch Manufacturing and Assembly
Stamping: Blanking, forming, punching, and trimming.
Welding: Spot welding, MIG and TIG welding, and robot welding are used in different situations.
Painting: Preparation, electrostatic painting, curing, inspection.
Final assembly: Component installation, electrical system integration, functional testing, final inspection.
Quality Control
Inspection and testing: In-process inspection, non-destructive testing, performance testing.
Statistical process control: Data processing and problem correction.
Final quality assurance: Vehicle testing and aesthetic inspection.
Surface treatment of Automotive Parts and Components
Powder coating:When customizing the painting of automobile parts, powder coating is one of the most common customization methods. Most customers want their cars to have different colors, matte surfaces, cool patterns or specific pictures.
Anodizing:Anodizing is often used to customize aluminum auto parts. Anodizing is a simple process to thicken the aluminum oxide layer by inserting the part into an electrolyte and placing it at the anode of the current, which causes ions to detach from the metal surface, forming deep microscopic pores on the surface, and thickening the oxide film around the pores. If the pores are filled with paint, a metallic luster effect can be achieved.
Polishing:Polishing requires the use of abrasive paste and soft tools to obtain a perfect surface finish.
Signs That Parts Need Replacing of Automotive Parts and Components
Strange Noises
Grinding, squealing, or knocking sounds often indicate worn-out parts, particularly brakes or suspension components.
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Dashboard Warning Lights
Modern cars come equipped with sensors that detect problems. If your check engine light is on, it’s time to inspect the vehicle.
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Fluid Leaks
Puddles under your car can mean trouble. If you notice leaks of transmission fluid, coolant, or oil, it's a sign that your vehicle likely needs repairs or part replacements.
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Poor Fuel Efficiency
A sudden drop in gas mileage may point to problems with the spark plugs, oxygen sensor, or fuel injectors.
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Difficulty Starting
Issues like a dead battery, faulty starter, or alternator trouble can cause your car to struggle when starting.
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