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Plastic Wax Like Plastic Lamp Injection Molding

Plastic Wax Like Plastic Lamp Injection Molding

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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 Wax Like Plastic Lamp manufacturers and Wax Like Plastic Lamp 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 Wax Like Plastic Lamp. 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 Wax Like Plastic Lamp. 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

What are some common defects that can occur during plastic lamp injection molding, and how can they be prevented or corrected?

There are several common defects that can occur during plastic lamp injection molding, including:

Sink marks: These are depressions or indentations on the surface of the plastic caused by uneven cooling or shrinking. Sink marks can be prevented by adjusting the mold design, gate position, or cooling time.

Warpage: This is a distortion of the shape of the plastic part caused by uneven cooling or mold temperature. Warpage can be prevented by adjusting the cooling time, mold temperature, or material properties.

Flash: This is excess plastic material that protrudes from the parting line or other areas of the mold. Flash can be prevented by adjusting the clamp pressure, mold alignment, or gating system.

Short shots: These are incomplete parts caused by insufficient material filling the mold. Short shots can be prevented by adjusting the injection speed, pressure, or temperature.

Voids or bubbles: These are empty spaces or air pockets within the plastic material that can weaken the part. Voids or bubbles can be prevented by adjusting the molding parameters or using a different material.

To correct these defects, the molding parameters can be adjusted or the mold design can be modified. For example, if sink marks are a problem, the mold design can be modified to allow for more even cooling, or the cooling time can be adjusted. Additionally, post-processing steps such as trimming or sanding can be used to correct cosmetic defects like flash or sink marks. Overall, close attention to the molding process parameters and careful inspection of the final parts can help prevent and correct defects in plastic lamp injection molding.

How can multiple parts of a plastic lamp be molded together in a single injection molding process?

Multiple parts of a plastic lamp can be molded together in a single injection molding process through a technique called "multi-shot molding" or "over-molding."

Multi-shot molding involves using a single injection molding machine to inject two or more different materials or colors into a single mold cavity to produce a complex, multi-material part. This process typically involves a first shot of a base material and a second shot of a different material that is molded directly on top of the first shot.

Overmolding is a similar process where a pre-molded part, such as a metal or plastic insert, is placed into a second mold and over-molded with another material to create a final, multi-material part. The pre-molded part is typically placed into the mold by a robot or other automated system.

Both of these techniques allow multiple parts of a plastic lamp to be molded together in a single injection molding process, reducing production time and costs. They also allow for the creation of more complex shapes and designs that would be difficult to achieve through traditional molding methods. However, multi-shot molding and over-molding require careful consideration of material compatibility and mold design to ensure that the final part has the desired properties and meets the required specifications.

What is plastic wax injection molding, and what are its applications?

Plastic wax injection molding is a specialized form of injection molding that is used to produce wax-like plastic parts. This process involves injecting a specialized plastic material, often polyethylene wax, into a mold cavity at high pressure and temperature. Once the plastic wax material cools and solidifies, the mold is opened and the part is ejected.

Plastic wax injection molding is used in a variety of industries, including:

Jewelry: Plastic wax injection molding is used to produce intricate wax models of jewelry pieces that can be used for investment casting.

Dental: Plastic wax injection molding is used to produce wax-like dental models and prosthetic teeth.

Packaging: Plastic wax injection molding is used to produce wax-like packaging inserts that can be used for food packaging, medical packaging, and more.

Automotive: Plastic wax injection molding is used to produce wax-like parts for automotive applications, such as air ducts, gaskets, and seals.

Aerospace: Plastic wax injection molding is used to produce wax-like parts for aerospace applications, such as engine components and structural parts.

Overall, plastic wax injection molding is a versatile process that can be used to produce complex, wax-like plastic parts with high accuracy and detail. It is particularly useful for applications that require wax-like parts with intricate shapes and fine details, such as in the jewelry and dental industries.

  • 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.