Customized Manufacturing Services

Quickly get a custom quote online for your project—whether you need rapid prototyping or full-scale production manufacturing.

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High Quality Parts

As an ISO-certified company, our standard tolerances are defined by ISO 2768 standards. We offer a range of injection mold tooling tolerances to meet your requirements. Based on your design, we can reach tight tolerances up to +/-0.02mm.

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Fast Lead Time

With certified domestic factories and a strong supply chain system, we accelerate the product development cycle and bridge the production of your injection molded parts as fast as possible.
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Engineering Support

Broad expertise on a wide array of molds and products can support your business by providing advice and solutions to achieve your goals.

China-Based Expansive Manufacturing Network

With its own manufacturing facilities and a carefully selected partner network in China, ZONZE enables rapid turnaround and scalable production of custom metal and plastic components—delivering consistent quality and dependable results across every project.

50+

Machines Set

20+

Countries Shipped

200+

Customers Served

Insert Molding Materials

ABS

ABS

Known for its strength, durability, and impact resistance, ABS plastic also delivers outstanding heat resistance. It’s widely used in automotive components, electronic housings, and everyday consumer products. Its exceptional toughness and adaptability make ABS a preferred material for demanding industrial and commercial applications.

Subtypes: ABS PA-757, ABS HF380, ABS AG15A1, ABS HI121H, ABS HF800, ABS 750SW, ABS 750HR, ABS 3001, ABS 3501, ABS 8401, ABS MG47, ABS Terluran GP-35, ABS LG HI-121, ABS Chi Mei PA-717, ABS Sabic MG47F.
PC

PC

Polycarbonate is highly regarded for its superior impact strength and outstanding optical clarity. This transparent thermoplastic is commonly used in safety-focused products such as protective shields, eyewear lenses, and bullet-resistant glass, where both durability and visibility are essential.

Subtypes: PC 2805, PC LEXAN 141, PC LEXAN 500R, PC LEXAN EXL9330, PC Makrolon 2805, PC Makrolon 2405, PC Makrolon 2458, PC Panlite L-1225Y, PC Panlite L-1250Z, PC Trirex 3025U, PC Teijin Panlite L-1225L, PC Sabic EXL1414, PC Bayer 6555.
PMMA

PMMA

PMMA, also known as acrylic, features exceptional clarity and excellent resistance to outdoor weather conditions. This glass-like plastic is a top choice for light diffusers, outdoor signage, and display panels, offering long-lasting UV resistance and greater durability compared to traditional glass.

Subtypes: PMMA CM-205, PMMA CM-211, PMMA CM-207, PMMA Altuglas V825T, PMMA Altuglas VM100, PMMA Plexiglas V045, PMMA Plexiglas 8N, PMMA Sumipex HT55, PMMA Sumipex EHT80, PMMA Diakon CMG-143, PMMA Diakon D30, PMMA Mitsubishi VH001, PMMA Kuraray Parapet G-1000.
POM

POM

Polyoxymethylene (POM), also known as acetal, is a high-performance engineering thermoplastic recognized for its outstanding dimensional accuracy, low coefficient of friction, and superior mechanical strength. It’s widely used in manufacturing precision components such as bearings, gears, and other load-bearing parts where tight tolerances and long-term reliability are essential.

Subtypes: POM M90, POM M270, POM M25, POM H100, POM H250, POM C130, POM Delrin 500P, POM Delrin 900P, POM Kepital F10-02, POM Kepital F20-03, POM Ultraform N2320, POM Ultraform H4320, POM Tenac-C 5520, POM Tenac 3020.
PA

PA

Nylon, or polyamide, is a durable engineering plastic valued for its high strength, flexibility, and excellent wear resistance. Frequently used in demanding applications like automotive parts, gears, and bearings, it also provides strong resistance to friction and abrasion, making it ideal for continuous-use mechanical components.

Subtypes: PA6, PA66, PA6-GF30, PA66-GF35, Ultramid B3K, Ultramid A3EG6, Zytel 101L, Zytel 70G30HSL, Technyl A216, Technyl C216, Durethan BKV30, Durethan AKV35, Akulon K222-D, Akulon F223-D.
PE

PE

Polyethylene is a lightweight yet durable plastic known for its excellent impact resistance and versatility. Commonly used in the production of containers, piping systems, and packaging materials, it offers outstanding chemical resistance and long-term performance in moisture-rich and outdoor environments.

Subtypes: PE Black, PE White
PEEK

PEEK

PEEK is a high-performance engineering plastic recognized for its superior thermal stability, outstanding mechanical strength, and excellent chemical resistance. It is widely utilized in demanding sectors such as aerospace, automotive, and medical implants, where reliable performance under extreme temperatures is critical.

Subtypes: Victrex 450G, Victrex 150GL30, Victrex 450FC30, Victrex HT G45, Solvay KetaSpire KT-820, Solvay KetaSpire KT-880, Solvay KetaSpire KT-820SL
PP

PP

Polypropylene is a lightweight and durable thermoplastic known for its excellent chemical resistance and minimal moisture absorption. Commonly used in automotive components, medical devices, and packaging solutions, it is ideal for a wide range of industrial applications requiring strength, reliability, and cost-effectiveness.

Subtypes: PP-H, PP-B, PP-R, PP 100, PP 110, PP 1300, PP 525W, PP 4220, PP 3540, PP 7032, PP 7525, PP 4400, PP K8303, PP Z30S, PP 548P, PP 6331
HDPE

HDPE

High-density polyethylene (HDPE) provides an outstanding strength-to-weight ratio, superior impact resistance, and long-lasting durability. Its toughness makes it a preferred material for producing bottles, corrosion-resistant pipes, and plastic lumber, especially in demanding environmental conditions.

Subtypes: HDPE5006, HDPE5476, HDPE6506, HDPE7000, HDPE7500, HDPE10000, HDPE3000, HDPE4700, HDPE5400, HDPE6000
PTFE

PTFE

Renowned for its superior chemical resistance and low friction characteristics, PTFE is widely utilized in applications such as non-stick coatings, gaskets, seals, and bearings. It delivers reliable performance in harsh conditions, including high temperatures and corrosive chemical environments.

Subtypes: PTFE 601, PTFE 621, PTFE 633, PTFE 701, PTFE 702, PTFE 703, PTFE 704, PTFE 715, PTFE 717, PTFE 723, PTFE 727, PTFE 737

Tolerances for Insert Molding

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 Description
Maximum Part Size200×400×100mm
7.87×15.75×3.94 in.
Manimum Part Size1×1×1mm
0.04×0.04×0.04in
Substrate Wall ThicknessFrom 0.5 to 3mm
From 0.20 to 0.12 in.
Tolerance± 0.025 mm
± 0.00098 in.
Radii0.1mm
0.0039in.
Mold ValidationProvide T0, T1, T2 samples before mass production
Inspection and Certification OptionsFirst Article Inspection, ISO 9001, ISO 13485
Lead TimeFrom mold making to sample delivery: 12-42 working days

What Is Insert Molding?

Insert molding is a specialized plastic injection molding process where thermoplastic material is molded around a pre-positioned insert—typically made of metal, plastic, ceramic, or other materials—inside the mold cavity. The insert, often metallic like stainless steel or aluminum, is placed in the mold before injection, allowing the molten plastic to flow around it and form a strong mechanical bond. This technique enhances the functionality of molded parts by adding features such as improved tensile strength, electrical conductivity, or wear resistance through embedded components like threaded inserts.

Ideal for creating durable and high-performance parts, insert molding is widely used in automotive, electronics, medical, and industrial applications. At ZONZE, our custom insert molding services are designed to deliver precise, long-lasting bonds between the inserts and plastic, ensuring product strength, stability, and reliability.

Insert Molding Solutions Across Multiple Sectors

ZONZE delivers Insert Molding tailored to the demands of industries ranging from aerospace to automotive. Our clients include individual innovators, product designers, and global enterprises—supporting many customers around the world.

Why Choose Us

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Precision Parts with Guaranteed Quality

Our ISO-certified services deliver high-precision parts manufactured to exact specifications. With rigorous quality control throughout the entire process, each component is engineered for perfect fit and reliable performance.g.

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Rapid Lead Time

ZONZE helps you stay on schedule with fast lead times. Our state-of-the-art equipment and strategically located facilities ensure quick production and on-time delivery for all your projects.

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Expert Engineering Support Services

Wherever and whenever you need it, we are here to help. Our engineering team offers professional guidance to optimize your designs for performance, efficiency, and manufacturability.