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Plastic Plastic Lighting Lampshade 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 Plastic Lighting Lampshade manufacturers and Plastic Lighting Lampshade 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 Plastic Lighting Lampshade. 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 Plastic Lighting Lampshade. 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 is plastic lighting lampshade injection molding, and how is it different from other types of injection molding?

Plastic lighting lampshade injection molding is a specialized form of injection molding that is used to produce lampshades for lighting fixtures. This process involves injecting molten plastic material into a mold cavity at high pressure and temperature. The molten plastic material then cools and solidifies, taking the shape of the mold cavity, and the finished lampshade is ejected from the mold.

Plastic lighting lampshade injection molding is different from other types of injection molding in that it requires specific design considerations and material selection to achieve the desired visual effect and light distribution. Lampshades often feature intricate designs and patterns that must be accurately reproduced in the molded part, as well as translucent or opaque surfaces that affect the way light is emitted from the lampshade.

To achieve these desired effects, the mold design and material selection must take into account factors such as light diffusion, heat resistance, and color consistency. Specialized materials, such as polycarbonate or acrylic, may be used to achieve specific visual or functional properties, such as UV resistance, fire resistance, or improved light transmission.

Overall, plastic lighting lampshade injection molding requires careful consideration of both the visual and functional aspects of the finished product, and requires specialized knowledge and expertise to achieve the desired results.

What types of plastic materials are typically used in lighting accessories injection molding, and what properties do they have?

Several types of plastic materials can be used in lighting accessories injection molding, depending on the specific requirements of the lampshade. Some common types of plastic materials used in lighting lampshade injection molding include:

1. Polycarbonate (PC): This material is a strong and durable thermoplastic that is known for its impact resistance, high clarity, and heat resistance. Polycarbonate is often used in lighting applications that require high light transmission and impact resistance, such as outdoor lighting or industrial lighting.

2. Acrylic (PMMA): Acrylic is a transparent thermoplastic that is known for its high clarity, light transmission, and scratch resistance. It is often used in lighting applications that require a smooth and glossy surface finish, such as decorative lighting or architectural lighting.

3. Polyethylene (PE): This material is a lightweight thermoplastic that is known for its flexibility and low cost. Polyethylene is often used in lighting applications that require a soft and pliable material, such as lampshade diffusers.

4. Styrene acrylonitrile (SAN): SAN is a thermoplastic that is known for its high impact resistance, heat resistance, and dimensional stability. It is often used in lighting applications that require a durable and rigid material, such as industrial lighting.

5. Polypropylene (PP): This material is a thermoplastic that is known for its high chemical resistance, low cost, and light weight. Polypropylene is often used in lighting applications that require a material that is resistant to chemicals and environmental stress, such as outdoor lighting.

Overall, the choice of plastic material for lighting lampshade injection molding will depend on the specific requirements of the lampshade, including the desired visual effect, light transmission properties, and environmental resistance.

How is the injection molding process optimized for producing high-quality plastic lighting lampshades?

The injection molding process can be optimized for producing high-quality plastic lighting lampshades through several techniques:

1. Mold design: The mold design is critical for achieving the desired lampshade shape, texture, and surface finish. The mold should be designed to minimize the potential for defects such as warpage, flash, or sink marks. The mold should also be designed to allow for easy ejection of the molded part, without damaging the lampshade.

2. Material selection: The selection of the appropriate plastic material is crucial for achieving the desired visual effect and light transmission properties of the lampshade. The material should be chosen based on factors such as clarity, color consistency, UV resistance, and heat resistance.

3. Injection molding parameters: The injection molding process parameters, such as injection speed, pressure, temperature, and cooling time, should be optimized to achieve the desired level of fill, part dimension, and surface finish. The process parameters should be carefully controlled to ensure consistent quality and minimize the risk of defects.

4. Post-molding operations: Post-molding operations, such as trimming, polishing, and assembly, can be used to improve the final visual appearance and functionality of the lampshade. These operations should be carefully controlled to minimize the risk of damage to the molded part.

5. Quality control: Quality control measures, such as visual inspection, measurement, and testing, should be used to ensure that the lampshade meets the required specifications. Any defects or deviations from the specifications should be identified and corrected promptly.

By optimizing these factors, the injection molding process can be effectively used to produce high-quality plastic lighting lampshades that meet the required functional and aesthetic requirements.

  • 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.