Plastic Robot Dog Injection Molding

Plastic Robot Dog Injection Molding


Mold Making & Plastic Injection One-stop Service

Yuyao Hualong Moulds & Plastic Products Co.,Ltd.

Yuyao Hualong Moulds & Plastic Products Co.,Ltd. was established in 1988. At present, there are 15 plastic injection molding machines from 100g to 3500 g, more than 20 mold manufacturing equipment such as machining centers, and more than 20 testing equipment and other auxiliary equipment. As leading Plastic Injection Molded Robot Dog manufacturers and Robot Dog factory in China, We have 100 employees and more than 30 managers and professional technicians.

After over 30 years of indomitable efforts, with the molds-making and plastic products-processing as the mainstay, our company has implemented a service for product development, mold-designing and making, plastic injection-molding and finished product-assembly in a coordinated process. Hualong mold has long history of serving European and American high-quality brands and well-known public companies at domestic and abroad. We custom make injection molded Plastic Robot Dog. Customized products involve all kinds of instruments, equipment accessories, industrial automation and intelligent equipment of the Internet of things, auto accessories, kitchen appliances, household products, etc. Products are widely used in power, communications, security, automotive, aerospace, medical, life and other different fields.

We have gained certifications of ISO9001, ISO16949 quality management system and ISO14001 environmental management system. OEM/ODM plastic injection molded Robot Dog. We accept annual factory inspection of clients, and conduct ECOVADIS audits on environment, labor and human rights, business ethics and sustainable procurement.

Customized Service Custom Advantage

Custom Process

  • Drawings or Samples

    We get the drawings or samples from customers.

  • Drawings Confirmation

    We will draw the 3D drawings according to the customers' 2D drawings or samples,and send the 3D drawings to customers for confirmation.

  • Quotation

    We will quote after getting the customers' confirmation,or quote directly according to customers' 3D drawings.

  • Making Molds/Patterns

    We will make molds or pattens after getting the mold orders from the customers.

  • Making Samples

    We will make real samples using the molds and send to customers for confirmation.

  • Mass Producing

    We will produce the products after getting the customers' confirmation and orders.

  • Inspection

    We will inspect the products by our inspectors or ask the customers to inspect together with us when finished.

  • Shipment

    We will ship the goods to the customers after getting the inspection result ok and the customers' confirmation.

Every certificate witnesses our profession


  • ISO45001
  • ISO14001 Environmental Management System Certification
  • IATF16949 Automotive Industry Quality Certification
  • ISO9001 Quality Management System Certification
  • Sustainability Rating
  • POM F20-02 ROHS SGS Report

Develop customized mold products according to customer requirements

Comprehensive analysis of projects, high degree of cooperation with customers, strong timeliness, good follow-up service and stable production.

Learn about customization
Industry Knowledge

How are molds for plastic robot dog injection molding typically designed and manufactured?

Molds for plastic robot dog injection molding are typically designed and manufactured using a combination of computer-aided design (CAD) software, CNC machining, and traditional mold-making techniques. Here is a general overview of the process:

1. Design: The first step is to create a 3D CAD model of the plastic robot dog. This model serves as the basis for designing the mold. The mold design process involves creating separate parts that fit together to form the mold cavity and core. The design must account for the required draft angles, gate location, and other considerations for successful injection molding.

2. Toolpath generation: Once the mold design is complete, the next step is to generate toolpaths that will guide the CNC machines that will manufacture the mold. These toolpaths are based on the 3D CAD model and specify the cutting paths for the CNC machines.

3. CNC machining: The mold components are machined from high-strength materials, such as steel or aluminum. The CNC machines use toolpaths to cut the mold components to precise specifications.

4. Finishing: The mold components are then polished or textured to achieve the desired surface finish.

5. Assembly: The mold components are assembled to form the final mold. This process may involve fitting inserts, such as cooling channels or ejector pins, into the mold.

6. Testing: The mold is tested to ensure that it meets the required specifications for the plastic robot dog. This may involve a trial run of the injection molding process to produce test parts that are inspected for accuracy and quality.

7. Production: Once the mold has been tested and approved, it is ready for production. The mold is installed into an injection molding machine, and the plastic robot dog parts are produced in high volume.

Overall, the design and manufacture of molds for plastic robot dog injection molding require expertise in both mold design and manufacturing processes. The resulting mold must be precise and durable to produce high-quality plastic robot dog parts efficiently and reliably.

How are different colors and finishes achieved in plastic robot dog injection molding?

Different colors and finishes can be achieved in plastic robot dog injection molding using a variety of methods. Here are some of the most common:

1. Color masterbatch: Color masterbatch is a pre-mixed pigment that is added to the plastic resin before injection molding. This method is simple and cost-effective, and it can produce consistent colors. However, it may not be suitable for all colors, and it can limit the design flexibility.

2. Dry pigment: Dry pigments can also be added to the plastic resin before injection molding. This method allows for more flexibility in color design and can produce unique color effects. However, it requires more processing time and can be more expensive than using color masterbatch.

3. Co-injection molding: Co-injection molding is a process that involves injecting two or more materials simultaneously to produce a part with different colors or finishes. For example, a plastic robot dog could be produced with a white body and black ears by injecting white and black materials in the same mold. This method can produce complex parts with multiple colors and textures, but it requires specialized equipment and expertise.

4. Post-molding finishing: Post-molding finishing techniques can also be used to add color and texture to plastic robot dog parts. These techniques include painting, hot stamping, and laser engraving. Painting can produce a wide range of colors and finishes, but it can add to the cost and time of production. Hot stamping and laser engraving can produce unique textures and designs, but they are more limited in the range of colors they can produce.

Overall, the choice of method for achieving different colors and finishes in plastic robot dog injection molding will depend on factors such as design requirements, cost considerations, and production volume. The selection of the method should be carefully considered to ensure that it meets the desired quality and aesthetic requirements for the final product.

What kind of post-processing may be necessary after injection molding a plastic robot dog?

After injection molding a plastic robot dog, there are several post-processing steps that may be necessary to achieve the desired final product. Here are some common examples:

1. Trimming and deburring: Injection molding can produce parts with excess material, known as flash, or with rough edges that require trimming and deburring. This can be done manually or with automated equipment.

2. Assembly: Depending on the design of the plastic robot dog, the assembly may be required to add components such as eyes, limbs, or accessories. This may involve additional adhesives or fasteners.

3. Surface finishing: Additional surface finishing may be required to achieve a specific texture or finish. This can include polishing, sanding, or painting.

4. Testing and inspection: Once the plastic robot dog is complete, it must be tested and inspected to ensure that it meets the required specifications for strength, durability, and functionality. This may include visual inspections, measurement tests, and functional tests.

5. Packaging and shipping: Finally, the plastic robot dogs must be packaged and shipped to their destination. This may involve specialized packaging to protect the parts during transport.

Overall, the specific post-processing steps required will depend on the design requirements for the plastic robot dog and the desired final product. These steps are important to ensure that the plastic robot dog is functional, durable, and aesthetically pleasing to the end user.

  • Where are your products mainly exported to?
    Our products are mainly exported to the United States, Canada, the Netherlands, France, Italy, the United Kingdom, South Korea, and other dozens of countries.
  • How to deliver the goods to us?
    Foreign customers usually ship by sea. We are only 80 kilometers away from Ningbo Port, so it is very convenient to export by sea. Of course, if the customer's goods are urgent, we can also ship by air. Ningbo Airport and Shanghai International Airport are very close to us.
    Domestic customers, we have our own van and driver to arrange delivery.
  • How many employees of your comany? What about the technicists?
    The company has more than 100 employees, including more than 30 managers and professional and technical personnel.
  • How about the capacity of your company?
    The company covers an area of 9,000 square meters, with a modern workshop of more than 8,000 square meters. We currently have thirteen plastic injection molding machines ranging from 100 grams to 3500 grams, and more than ten mold manufacturing equipment such as machining centers, with an annual production capacity of 80 million yuan.
  • Do you have some standard parts?
    No, we are a pure custom manufacturer.
  • Can you do customized products?
    Yes, we mainly do customized products,we are mainly doing customized products according to the customers’ drawings or samples.
  • What applications do your products relate to?
    Our products cover almost every aspect of your life. Products have been involved in instrumentation, auto parts, medical equipment, smart equipment, audio-visual office supplies, fitness equipment, small kitchen appliances and many other industries.
  • What products can you offer?
    We mainly accept the customization of injection molds and the production of corresponding products.
  • Are you a direct manufacturer or a trading company?
    We are a professional manufacturer of customized injection molds and injection products. We also accept orders from domestic and foreign customers and have the right to export independently.
  • How to guarantee the quality of your goods?

    Firstly,we will do the inspection after every process.for the finished products,we will do 100% inspection according to the customers’ requirements and the international standard.

    Then, we have the more advanced and complete testing equipment in the industry: color detectors, three-coordinate measuring instruments, 3d scanners, etc. To ensure that the customer's all-round testing requirements for product color, high-precision geometric size testing, etc. are met.

    In addition, we have a professional team to do a complete technical analysis in advance. According to the needs of different materials, shapes and performances of the products, we will make corresponding molds or increase the necessary technological processes such as cooling and boiling to ensure that the product performance and shape meet the requirements of customers and reduce follow-up troubles.

  • What’s the payment term?
    When we quote for you,we will confirm with you the way of transaction,fob,cif,cnf,etc.
    For mass production goods, you need to pay 30% deposit before producing and70% balance against copy of documents. the more common way is by t/t. l/c is also acceptable.
  • How long can I get the feedbacks after we sent the inquiry? 
    We will reply you within 12 hours in working day.