Ningbo (P&M) Plastic Hardware Products Co. has 15 years of mold making technology for Custom Injection molded parts. We have ISO 9001 certificates. We provide professional Custom plastic bracket supplier. We have sufficient experience in product raw material selection and mold material selection. We are well aware of the properties of various materials and the advantages and disadvantages of mold design. We will recommend suitable materials and professional design advice for our clients.
We are a trusted custom plastic bracket supplier, specializing in the design, molding, and optional assembly of precision-tailored plastic brackets for automotive, electronics, industrial machinery, medical devices, and renewable energy sectors. Unlike finished product traders, we focus exclusively on delivering custom plastic bracket solutions—core support components that secure, position, or mount other parts while optimizing weight, space, and cost. Our core strength lies in translating your unique application requirements into high-performance brackets: from lightweight automotive interior brackets to corrosion-resistant industrial equipment brackets—ensuring every custom bracket meets your exact dimensional, load-bearing, and environmental standards.



Custom Plastic Brackets: Structural Design Features & Material Matching
Our custom plastic bracket supplier service is anchored inprecision structural customization, as bracket performance depends on load-bearing capacity, mounting stability, and space compatibility. Our engineering team collaborates closely with you to design brackets tailored to your installation method, load requirements, and operating environment: For automotive mounting brackets (e.g., for sensors, wiring harnesses), we design lightweight, rib-reinforced structures with precision mounting holes (tolerance ±0.01mm) and snap-fit features for tool-free assembly; For electronic device brackets (e.g., for circuit boards, displays), we optimize thin-wall designs (0.8–2mm) to save space while integrating heat-dissipating ribs; For industrial machinery brackets (e.g., for motors, conveyors), we create heavy-duty structures with thickened bases and reinforced edges to withstand high static/dynamic loads; For medical device brackets (e.g., for diagnostic equipment components), we design crevice-free, sterilizable structures with biocompatible materials. Key custom structural features include: rib reinforcement (boosting load capacity by 30–50%), snap-fit/screw-mount interfaces, integrated cable management channels, heat-dissipating fins, and custom cutouts for component clearance. Every bracket design undergoes FEA (Finite Element Analysis) to validate load-bearing capacity and structural integrity before production.
Material matching is critical for custom plastic bracket performance, and our supplier service includestailored material selection based on your application’s demands for load, temperature, corrosion resistance, and weight. For general-purpose electronics/consumer brackets: We use ABS or PP for cost-effectiveness, easy molding, and good dimensional stability. For high-load industrial/automotive brackets: We select glass-fiber reinforced nylon (PA66+GF 20–40%) or POM for exceptional mechanical strength and impact resistance. For high-temperature automotive under-hood or industrial brackets: We choose heat-stabilized PPS or PEI that withstands 120–200°C. For medical device brackets: We use FDA-approved PP, PC, or PEEK for biocompatibility and sterile performance. For lightweight aerospace/renewable energy brackets: We opt for carbon-fiber reinforced plastics (CFRP) or lightweight PP to reduce overall system weight by 20–40%. We also test material compatibility with environmental factors (humidity, chemicals, UV exposure) to ensure long-term durability.
Key Plastic Materials for Custom Brackets & Their Applications
The performance of custom plastic brackets is directly tied to material properties, and our custom plastic bracket supplier service offers a range of proven materials tailored to specific application needs:
- ABS (Acrylonitrile Butadiene Styrene): Ideal for general-purpose custom brackets—electronics circuit board brackets, consumer appliance mounting brackets, and light-duty automotive interior brackets. Offers good impact resistance (15kJ/m²), easy machinability, and excellent surface finish (suitable for painting/printing). Suitable for operating temperatures of -20°C to 80°C and load capacities up to 50N.
- PA66+GF (Nylon 66 with Glass Fiber): For high-load custom brackets—industrial machinery motor brackets, automotive suspension brackets, and heavy-duty equipment mounting brackets. Glass fiber reinforcement boosts tensile strength (up to 80MPa) and flexural modulus (up to 5GPa), enabling load capacities up to 500N. Operating temperature range: -30°C to 120°C. Resistant to oils and greases, making it ideal for harsh industrial/automotive environments.
- PPS (Polyphenylene Sulfide): For high-temperature and chemical-resistant custom brackets—automotive under-hood brackets (near engines), chemical processing equipment brackets, and high-temperature industrial ovens. Withstands operating temperatures up to 220°C, resists most acids, solvents, and oxidizers. Load capacity up to 300N, suitable for harsh environment applications requiring long-term stability.
- PP (Polypropylene): For lightweight and chemical-resistant custom brackets—medical device brackets, water treatment system brackets, and outdoor application brackets. Lightweight (density 0.9g/cm³), corrosion-resistant, and cost-effective. Operating temperature range: -10°C to 95°C. FDA-approved grades available for medical and food-related applications, with load capacities up to 80N.
- PC (Polycarbonate): For transparent or high-impact custom brackets—electronic display brackets, medical device observation windows with mounting features, and high-end equipment brackets. Offers exceptional impact resistance (20kJ/m²) and transparency (90% light transmittance). Operating temperature range: -40°C to 130°C. Suitable for brackets requiring visibility or high durability in consumer/medical applications.
Custom Plastic Bracket Molding Process: Features & Advantages
As a professional custom plastic bracket supplier, our molding process leverages precision injection molding technology optimized for bracket production, ensuring consistent quality, dimensional accuracy, and cost efficiency. Key process features include: High-precision mold engineering—using hardened steel molds with CNC-machined cavities (tolerance ±0.005mm) to replicate intricate bracket details (ribs, mounting holes, snap-fit features) with consistency; Advanced process control—real-time monitoring of melt temperature (180–280°C, depending on material), injection pressure (70–130MPa), and cooling time to prevent warpage and ensure uniform material distribution (critical for load-bearing stability); Insert molding capability—ability to integrate metal inserts (screws, nuts, pins) into brackets during molding for enhanced strength, eliminating post-assembly steps; In-line quality inspection—100% dimensional scanning via optical measuring systems, load-bearing testing, and visual inspection (for surface defects) to ensure zero defects. We support both small-batch (100–1,000 units) prototyping and high-volume (100k+ units) production with multi-cavity molds to reduce per-unit costs.
The advantages of choosing us as your custom plastic bracket supplier include: Full customization—tailored designs to match your exact space, load, and mounting requirements, no off-the-shelf limitations; Superior structural integrity—FEA-validated designs and strict quality control ensure brackets withstand intended loads without deformation (defect rate ≤0.1%); Cost efficiency—injection molding enables high-volume production with low per-unit costs, and integrated design (e.g., snap-fit, insert molding) reduces assembly labor; Lightweight advantage—plastic brackets are 30–60% lighter than metal alternatives, reducing overall system weight and energy consumption; Corrosion resistance—plastic materials eliminate rust and corrosion risks, extending bracket lifespan in wet/chemical environments.
Value-Added Assembly for Custom Plastic Brackets
To complement our custom plastic bracket supplier service, we offer custom assembly solutions—integrating custom brackets into ready-to-install sub-assemblies. Examples include: assembling brackets with metal inserts, gaskets, and fasteners for automotive sensor sub-assemblies; integrating electronic device brackets with circuit boards and wiring harnesses (conductivity tested); and kitting industrial brackets with mounting hardware and installation instructions. Our assembly team uses specialized fixtures to ensure precise component alignment and secure connections, and conducts final load-bearing and functional testing to validate assembly quality. This turnkey service streamlines your supply chain, saving you time and labor costs associated with sourcing and assembling individual components.
As your trusted custom plastic bracket supplier, we prioritize understanding your unique application needs—from load and temperature requirements to space constraints and regulatory standards. Whether you need lightweight automotive brackets, high-precision electronic brackets, or corrosion-resistant industrial brackets, our expertise ensures every custom plastic bracket is engineered for optimal performance and reliability. Contact us today to discuss your custom plastic bracket project and experience the difference of working with a specialized supplier.

We are plastic mold maker and can provide custom mold service, we can make injection molds, blow molds, rotational molds and die-casting molds.
For custom injection molds, we can provide professional custom injection molding services. Usually Plastic injection mold manufacturing Molding are manufactured using injection molding technology. The mold materials for injection molds can be chosen from P20, 718, S136, H13 and so on. The mold material reflects the mold life and product material requirements.
For parts that require blow molding production, we can also provide professional custom blow molding services.
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Product Name |
Plastic fitting injection molding
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Pls provide |
2D, 3D, samples, or the size of the multi-angle pictures |
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Mould Time |
20-35 Days |
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Product time |
7-15 Days |
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Mould precision |
+/-0.01mm |
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Mould life |
50-100 million shots |
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Producing Process |
Audit drawings - mold flow analysis - design validation - Custom Materials - mold processing - core processing - electrode machining - Runner system processing - parts processing and procurement - machining acceptance - cavity surface treatment process - complex mode Die - The entire mold surface coating - Mounting plate - mold sample - sample test - sending samples |
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Mould cavity |
One cavity, multi-cavity or same different products be made together |
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Mould material |
P20,2738,2344,718,S136,8407,NAK80,SKD61,H13 |
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Runner system |
Hot runner and cold runner |
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Base material |
P20,2738,2344,718,S136,8407,NAK80,SKD61,H13 |
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Finish |
Pitting the word, mirror finish, matte surface, striae |
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Standard |
HASCO, DME or dependent upon |
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Main technology |
Milling, grinding, CNC, EDM, wire cutting, carving, EDM, lathes, surface Finish, etc. |
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Software |
CAD,PRO-E,UG Design Time: 1-3 days (normal circumstances) |
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Product material |
ABS,PP,PC,PA6,PA66,TPU,POM,PBT,PVC,HIPS,PMMA,TPE,PC/ABS,TPV,TPO,TPR,EVA,HDPE,LDPE,CPVC,PVDF,PPSU.PPS. |
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Quality system |
ISO9001:2008 |
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Establish time |
20days |
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Equipment |
CNC,EDM,Cutting off Machine,plastic machinery,etc plastic suitcase mould zhe jiang |
Plastic injection mold manufacturing Injection Mould making
1.We communicate product design according to samples/drawings and your requirements.
2.After the product design is confirmed, we carry out the mold design, we provide all kinds of injection molds, blow molds, silicone molds, die-casting molds services.
3.Material procurement, steel cutting and mold basic tools.
4.Mold assembly
5.Mold inspection, tracking and controlling mold processing.
6. We will inform you the date of mold trial and send you the sample inspection report and injection parameters together with the sample.
7.Your instruction and confirmation of shipment.
8.Prepare the mold before packing.

Plastic injection mold manufacturing molding Specification
1. Professional manufacturer, design, production injection mould and stamping mould quality control
2. rich export experience plastic injection mould and stamping mould
3. Reasonable price of design mould
4. Cavities: single or as per your requirements cavity
5. Treatment: S45C Pretreat>25Hrc,And Nitriding
6. Mould Steel: Cavity ,Core and slide: P20 ,2738,2136 available Moldbase :LKM available
7. Standard:DEM ,HUSKY,available
8. Hot runner: according to your demand
9. Life time: >300 Thousand Times
10. Package: Plywood case, anti-rust paint
Mold design:
Information you need to provide us
1. If you have drawings, 2D drawings, 3D drawings (preferably in STEP format).
2. If there are no drawings, you need to provide specific length, width, height and weight information. (It’s best to send us samples)
3. Should the mold be sent to your country, or leave the mold in our factory and we will help you produce the product.
4. Mold material requirements, cavity number requirements (you can tell us about the size of your injection molding machine)
5. Product material requirements and product quantity. (You can tell us about the use of the product and we can give you suggestions)

Mold testing:
Once the mold is complete, I do a mold test. It usually takes about 3-5 days to complete. We need to assemble the mold, adjust the pressure data of the machine, and try production. We need to check whether there are problems during the normal production of the mold and make modifications.

Packaging according to your needs
1.By air ,it takes 3-7 days for delivery .The goods can be shipped by DHL ,Fedex ,UPS .
2.By sea ,the delivery time is based on your port .
To South East Asian Countries takes about 5-12 days
To Middle east countries takes about 18-25 days
To European countries takes about 20-28 days
To American countries takes about 28-35 days
To Australia takes about 10-15 days
To African countries takes about 30-35 days.

Video-1: (Factory Video)
Video-2: (Injection Molding)
Video-3: (Blow molding)
Video-4: (Blow molding)
Video-5: (Roll molding)







Customer satisfaction is our most important goal. We focus on communication and cooperation with our customers, always pay attention to their needs and provide quick response and quality customer service. Our injection production mold factory is committed to establishing long-term relationships and ensuring that our customers receive the best after-sales service during the purchase and use of our products, and we will definitely do our best to solve any problems for our customers.
1. Who are we?
We are based in Zhejiang, China, start from 2014,sell to North America(30.00%),Southern Europe(10.00%),Northern.
Europe(10.00%),Central America(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.
3. What can you buy from us?
Mould,Plastic Product, Metal Product,Dental Product,CNC machining.
4. Why should you buy from us not from other suppliers?
Ningbo P&M Plastic Metal Product Co., Ltd. We main do all kinds of 3d design, 3d printing and plastic metal molds tooling and products. We have our own engineer and factory. One-stop supply:3d design - 3d printing - mold making - plastic injection.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU;
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;
Language Spoken:English,Chinese,Spanish,French,Russian.
6. What are the characteristics of your service?
1. Your inquiry related to our products or prices will be replied within 24hours.
2. Welltrained and experienced staffs to answer all your enquiries in fluent English.
3. Offering the support to solve the problem in the application or selling period.
4. Competitive prices based on same quality.
5. Guarantee samples quality same as mass production quality.