Whatsapp/Wechat/Phone:+86 134 1694 6882

Email: keenhu@lztooling.com

Plastic Injection Molding Factory since 1993

# You dream it, we make it.

# One-stop custom plastic service

# ISO certified factory

# Fast and professional response

Plastic injection molding factory

Company profile

LZ Tooling is a plastic injection molding manufacturer in Dongguan, Guangdong, China, specializing in custom injection molds and precision molded plastic parts for automotive, electronics, medical devices, and industrial equipment manufacturers.

LZ Tooling provides injection mold design, mold manufacturing, and plastic injection molding services for global OEM manufacturers.

As a plastic injection molding manufacturer in China, LZ Tooling focuses on high-precision mold making and reliable plastic part production for international OEM clients.

Our production follows strict quality management systems in line with international certifications, including ISO 9001, ISO 13485, and IATF 16949, ensuring consistent performance, safety, and reliability in every batch.

For more details, pls check about us

LZ tooling

Our Injection Molding Advantages

With LZ tooling, your trusted plastic injection molding factory, you dream your product, and we make it.  Our One-stop custom plastic service will simplify your journey from concept to finished product. You will benefit from design offer/feedback/engineering support that saves your time and minimizes cost. With all our services provided, you can achieve success without stress.

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Rapid prototyping service – Rapidly turn your ideas into samples

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DFM reports and mold flow analysis – Prevent production potential issues before they happen

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Precision mold design and making – Provide you with reliable, long-lasting molds/tools

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Post-processing and assembly services – Simplify your supply chain, one-stop for your plastic products

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Quality and Certificates – Well-controlled production process with various certificates, like ISO 9001, ISO 13485, IATF 16949 etc.

Converting Your Ideas Into Products

Try your seamless journey from ideas to final products, precision-manufactured plastic products with our advanced engineering and manufacturing expertise. Contact us for any questions and doubts.

Our service

At LZ Tooling, we provide a full range of  plastic injection molding services including injection mold design, injection molding, overmolding, insert molding, and rapid injection molding for global OEM manufacturers.

How to Work With Us

#1 Price Quotation

Send your 3D design file and related request to us for a price quotation. 

Sample making icon

#2 Sample Making

Rapid prototyping and mold making, and send final sample for your approval

Injection production icon

#3 Production & shipping

Plastic injection molding production and arrange shipment.

Industry Applications

LZ Tooling supports customers in automotive, electronics, medical devices, package, consumer goods and industrial equipment industries with reliable plastic injection molding solutions.

Automotive injection molding

Consumer goods injection molding

Electrical injection molding

Packaging injection molding

Manufacturing Capability

At LZ Tooling, we handle every step of plastic injection molding with precision mold making, material selection, efficient production, and strict quality control. From prototypes to high-volume parts, we ensure consistent performance and reliability for your custom projects.

Injection mold making

Plastic material selection

Production capacity

Quality control

About Quotation

# Get a quotation within 1 hour

Drawing

1. Quotation is based on 3D or 2D drawing(STP/STEP/IGS/STL/PDF/DWG/DXF)

3D drawing

2. Quotation based on sample or prototypes
3. Quotation based on images or hand-drawn sketches

Product/Mold

1. MATERIAL:
    # Mold steel: 2738, 2343, S130, 2344, 718, 8407, S136,P20, KD-61, NAK80, H13
    # Product: PA6, PA66, ASA, POM, PPS, ABS, ABS+GF, ABS+PC, POM(Derlin), PP, PE, PC, PMMA(Acrylic), PVC, PEI, PBT, PTFE, etc.

Mold steel

2. Customized color / Pantone color.

Pantone color

3. MOQ (Minimum order quantity)

4. Surface treatment:
Texture, matt surface, mirror polish, sand blasting, painting, chroming, anodizing, brushing, silk screen, water transferring, laser cutting, leather covering, UV painting, hot stamping.

matt surface

5. Function or usage environment (Structural recommendations)
6. Tolerance request.
7. Cavity QTY: Single-cavity / Muti-cavity
8. Runner: Cold / hot runner system

Our Service :

  1. 30 years of injection molding experience:
    We have ISO 9001 international quality management system, as well as 30 years of production cost control experience, so we
    can help you save about 10%~30% manufacturing cost when you compare with other plastic injection molding factory.
  2. ISO 9001 quality management system.
  3. Factory price.
  4. Large quantity with discounts.
  5. PAYMENT METHOD:
    # T/T, Credit card, or Alibaba payment is acceptable. Just let us know which is convenient for you.
    # Usually, we charge 30% deposit and balance against the BL copy

About Design

Product Design:

1. NDA: support or provide NDA for you.
2. Free product design and updating.
3. Professional for customized design and give related suggestions
4. The different structures of the product will affect the price.

Product Design

About Sampling

3D Printing Service:

1. Materials: SLA, Nylon, Steel, Silicone, Aluminum, ABS, PP, PC
2. Color (Match to Pantone color #)
3. Wall thickness : recommended above 0.8MM
4. Surface : matt, polishing, sand blasting etc.

About Molds

Mold requirements:

1. Mold life.
2. Materials: If you do not know, please tell us the annual usage, and we can recommend steel for the mold.
3. Mold cavity requirements: If you can not give the requirements, you can advise the model and parameters of the injection
molding machine, such as the distance between the injection molding machine guide rods, the maximum injection pressure,
etc. We will recommend the most suitable cavities.

4 cavities mold
custom injection molded parts

Have a customized injection molding parts ?

If you have customized plastic parts, pls send an inquiry to us, we will follow up and provide fast and professional solution for your projects. 

4. Special requirements for molds: water connectors, press KO studs, eye bolts hole size etc.
5. Tolerance Requirements.
6. Mold surface treatment.

Mold manufacturing:

1. Mold making time: 15-35 working days.
2. We have high-quality CNC and EDM machines from Sodick, AGIE, such as 4-axis and 5-axis CNC machines, which can offer stable and accurate processing ability.

CNC machine room

About Injection Molding

1. Injection molding machines: 65 units, 80T-1100T
2. Production visualiztion services
3. Product quality inspection.

LZ Tooling, Your Trusted Plastic Injection Molding Factory

About Assemble and Package

Assemble:

1. Assemble requirements
2. We have 5 product assembly lines, including the assembly of plastic, hardware, wood and other parts.

Package:

1. Product standard package: PE bag for each part
                                                Layout the parts into A=A cartons
                                                Pack the cartons into pallets.

plastic package

2. Mold standard package: Vacuum packing the mold by aluminum foil and pack all in ply-wood crate.

3. Customized packaging
4. Provide free design package.
5. Before packing. professional QCwill inspect the products to ensure high quality.

Plastic QC inspect

About Transport

Transport:

1. Express(DHL/UPS/FEDEX/TNT/EMS)
2. Choose your own freight forwarder.
3. FOB Shenzhen or other China port.
4. CIF to the nearest port in your country
5. DDP OR DDU to your door

LZ tooling transport

Transportation time:
1. About 3-5 days door-to-door service by express, and about 20-45 days to door service by sea.

Preferential:
1. We have stable shipping agent which working with us for over 15 years.
2. Door to door service include all taxes, no need to pay an extra cent.

About After-sales Service

After Sales:

1. 16 hours online service.
2. lf the product needs optimization and improvement, we will support you.
3. Free maintenance: Maintain and keep molds in good condition.

mold maintenance

Guarantee:
1. Our molds and product prices are the most cost-effective. We refuse to provide existing molds and products to other customers. All molds and products belong to our clients, and we have no right to use them except with the customer’s
permission. If other customers want your product, we will introduce them to you and let you contact them
by yourself
2. We offer good after-sales service within 10 years after the customer receives the mold, and provide 16 hours of online consultation.
Most of our customers have worked with us for more than 15 years and still trust, are satisfied, and do business with us. LZ tooling, is your trusted Chinese plastic injection molding factory.

LZ Tooling is engaged in plastic injection molding, offering support across prototyping, mold design, and low- to high-volume production. By collaborating with clients, LZ Tooling helps optimise part quality, material selection, and manufacturing processes, ensuring that plastic components meet functional and performance requirements across automotive, electronics, medical, and industrial applications.

Our Capabilities

Injection Molding
LZ Tooling is engaged in injection molding services, supporting clients in producing high-quality plastic components for a variety of industries. Explore specific services:

  • Custom Plastic Injection Molding – LZ Tooling helps clients develop tailored plastic parts that meet precise functional and quality requirements.

  • Overmolding – LZ Tooling assists in combining multiple materials in a single molding process, enhancing part functionality and design flexibility.

  • Insert Molding – LZ Tooling supports integrating metal or other components into plastic parts, ensuring precise alignment and structural integrity.

  • Rapid Injection Molding – LZ Tooling helps clients quickly produce functional parts for prototyping and short-run projects.

Main Materials
LZ Tooling provides expertise across a range of engineering plastics, helping select the right material for each application:

  • PPSU Injection Molding – LZ Tooling supports high-performance components with excellent heat and chemical resistance.

  • PA66 Injection Molding – LZ Tooling helps produce durable and strong parts suitable for demanding mechanical applications.

  • PEEK Injection Molding – LZ Tooling assists in moulding high-temperature, high-strength parts for advanced engineering uses.

  • ABS Injection Molding – LZ Tooling provides support for versatile, cost-effective components used across consumer and industrial products.

Mold Services
LZ Tooling provides comprehensive mold-related support to optimise manufacturing efficiency and quality:

  • Injection Mold Design – LZ Tooling guides mold geometry, material selection, and process planning to create accurate and efficient molds.

  • Injection Mold Making – LZ Tooling offers assistance in producing high-precision molds for a wide range of plastic applications.

Prototyping & Low Volume Production
LZ Tooling supports early-stage testing and small-batch production to help clients refine designs before full-scale manufacturing:

  • Prototype Injection Molding – LZ Tooling helps develop and test plastic prototypes, ensuring parts meet functional and performance requirements.

  • Low-Volume Injection Molding – LZ Tooling assists in small-batch runs, maintaining consistent quality and enabling evaluation before scaling up production.

If You Want To Know More, Contact Us Anytime.

We appreciate that you’ve entrusted us by choosing us as your custom plastic products manufacturer, and we take pride in our customer service and every order.

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LZ Tooling, Your Trusted Plastic Injection Molding Factory

From packaging to healthcare to automotive engineering to consumer electronics, plastic injection molding is at the core of modern manufacturing. Businesses globally rely on trusted suppliers to deliver precision-engineered components that provide scalable production and a reliable solution at an affordable price. In this industry, LZ Tooling emerges as a reputable Plastic Injection Molding Factory that seamlessly blends technical expertise, cutting-edge machinery, and customer-centric service.