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About
Ningbo Oubao Technology Co., Ltd.

As China Plastic Hinges Manufacturers and Plastic Hinges Suppliers, Ningbo Oubao Technology Co., Ltd. is a specialist in manufacturing a variety of cabinet locks and accessories, including high and low voltage switch cabinet locks, chassis cabinet locks, instrument cabinet locks, communication cabinet locks, electronic locks, hinges, handles, limit devices, and more. Our products are extensively used across industries such as industrial cabinets, engineering machinery, network and communications, computer industry, automotive, navigation, high-speed rail, and rail transportation.

To keep pace with market developments, Oubao has introduced over ten models of electronic locks with diverse functionalities. These include features like APP unlocking, WeChat temporary authorization, remote wireless unlocking, and Bluetooth copper key emergency unlocking.

Adhering to the business philosophy of "Survive, Honest Service, and Development," we are dedicated to offering high-quality products and good services. We boast a professional and committed design and management team that rigorously tests and controls every step of the production process, from product design and mold making to die-casting, sprinting, CNC machining, surface treatment, and final assembly.

In recent years, our company has continuously integrated advanced technology and equipment to enhance production efficiency, ensuring that we meet the evolving needs of our customers with precision and reliability.

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Plastic Hinges Industry knowledge

What are the common application areas of Plastic Hinges?

Plastic hinges are widely used in various industries due to their lightweight, corrosion resistance, and cost-effectiveness.

Home and Furniture

  • Kitchen and Bathroom Cabinets: Due to their corrosion resistance, plastic hinges are ideal for cabinet doors in humid environments such as kitchens and bathrooms. Compared to metal hinges, plastic hinges are less prone to rust and are suitable for prolonged exposure to moisture.
  • Household Appliances: For example, the doors of refrigerators, washing machines, and microwave ovens. Plastic hinges can withstand the friction of daily opening and closing, and their light weight reduces the overall weight of the appliance.
  • Storage Cabinets and Wardrobes: Plastic hinges are commonly used for the doors of household storage cabinets and wardrobes, especially in projects where reducing production costs is important.

Electronic Products

  • Electronic Device Housings:  For the connecting parts of housings for devices such as televisions, computers, and printers, plastic hinges provide sufficient durability while reducing the weight of the device.
  • Electrical Control Boxes: Plastic hinges are also widely used in electrical control boxes and electrical accessories, ensuring smooth opening and closing of the equipment box and adapting to long-term use.

Automobiles and Vehicles

  • Car Doors and Windows: Many cars and vehicles use plastic hinges, especially in interior and auxiliary door structures, reducing body weight while maintaining good opening and closing performance.
  • Electric Windows and Sunroofs: Plastic hinges are also commonly used in car sunroofs and window adjustment systems, providing reliable opening and closing functions and withstanding weather changes.

Industrial Equipment and Machinery

  • Industrial Cabinets: Plastic hinges are often used in industrial cabinets, instrument cabinets, and control cabinets. They ensure the safety of the equipment inside while reducing the overall weight of the equipment, making it easier to transport and install.
  • Engineering Machinery: For external hinges of equipment such as construction vehicles and generators, plastic hinges are widely used in various harsh environments due to their corrosion resistance and UV resistance.

Military and Aerospace

  • Military Equipment Housings: Plastic hinges can be used in the housings and protective cases of military equipment, reducing the overall weight while maintaining strength and durability, especially when used in the field or in extreme environments.
  • Aerospace Equipment: In the aerospace field, plastic hinges help reduce overall weight, and are particularly suitable for components such as housings or cabin doors.

Consumer Electronics

  • Mobile Phones and Laptops: Plastic hinges are also commonly used in the housings of mobile phones, tablets, and laptops, especially in foldable devices. Due to their lightweight and durable characteristics, they provide a long service life.

Are Plastic Hinges Easy to Install and Maintain?

Plastic hinges offer certain advantages in installation and maintenance, particularly when compared to metal hinges, as they are relatively easier to handle.

Ease of Installation

  • Lightweight and Easy to Install: One of the biggest advantages of plastic hinges is their lightweight nature, which means less support and fewer tools are needed during installation. Furthermore, plastic hinges typically have a simplified design, allowing for easy installation, especially in home or small industrial settings where specialized tools are not required.
  • Simple Fixing: Compared to traditional metal hinges, the fixing method of plastic hinges is usually simpler. Many designs rely on screws or quick-release fasteners for fixing, reducing the need for specialized skills.
  • High Adaptability: Many plastic hinges are designed to be adjustable, adapting to different door and frame thicknesses, making installation more flexible and eliminating the need for additional adjustment tools.

Ease of Maintenance

  • Low Maintenance Requirements: Plastic hinges typically require infrequent maintenance because they do not rust and do not require regular lubrication. This makes them more hassle-free in the long run, especially in humid or corrosive environments.
  • Easy to Clean: The surface of plastic hinges is usually smooth, and can be easily cleaned with a damp cloth. In most cases, they do not accumulate dust or dirt. Therefore, maintenance is relatively simple.
  • Durability and Aging: While plastic hinges generally have good durability, the plastic material may become brittle or age when exposed to high temperatures or prolonged ultraviolet light. Regularly checking the condition of the hinges and replacing aged parts is key to extending their lifespan.

Issues to Consider

  • Avoid Overloading: Although plastic hinges have good durability, they are prone to deformation or breakage under heavy loads or exceeding their design load capacity. Therefore, during installation and use, it is necessary to ensure that the load capacity of the plastic hinges is not exceeded.
  • Avoid Extreme Environments: In high temperatures or under strong ultraviolet radiation, some types of plastic hinges may degrade. Therefore, regular inspection and maintenance are recommended, especially for hinges used outdoors or in extreme environments.

How to Choose the Right Plastic Hinges Suppliers?

When choosing the right Plastic Hinges Suppliers, several factors need to be considered, from product quality to after-sales service.  A ​​comprehensive evaluation is necessary to find a supplier that can provide long-term and stable cooperation.

Experience and Technical Capabilities of Plastic Hinges Suppliers

  • Ningbo Oubao Technology Co., Ltd.'s Professional Background: Ningbo Oubao Technology Co., Ltd. has long focused on the research and development and production of high and low voltage switchgear locks, cabinet locks, instrument cabinet locks, as well as electronic locks and hinges. The company possesses extensive industry experience, especially in the field of electronic locks and hinges, and can provide customized solutions based on different industry and application needs.
  • Technological Innovation and Equipment: Ningbo Oubao Technology Co., Ltd. has a professional design and management team and continuously introduces advanced technologies and equipment, such as hardware CNC machining and precision mold manufacturing, to ensure that the quality and performance of each plastic hinge reach industry-leading levels. Therefore, choosing a Plastic Hinges Supplier with advanced technical support ensures high precision and durability of the products.

Quality Control and Certification

  • Strict Quality Management System: Ningbo Oubao Technology Co., Ltd. implements strict quality control at every stage of product production—from product design, mold manufacturing, product casting, hardware CNC machining, surface treatment to final assembly—to ensure the stability and durability of each product. This meticulous quality control system guarantees that the company's plastic hinges can meet the application requirements in various demanding environments.
  • Industry Certifications and Standards: Ningbo Oubao Technology Co., Ltd. continuously optimizes production efficiency during the manufacturing process, ensuring that its products meet relevant quality standards. The company also strictly adheres to international standards in product design and manufacturing, making its plastic hinge products more reliable and enabling them to pass various industry certifications, such as ISO quality management system certification.

Customer Service and After-Sales Support

  • Comprehensive After-Sales Service: Ningbo Oubao Technology Co., Ltd. is committed to providing customers with high-quality service, from pre-sales technical consultation to after-sales product installation and maintenance, with a dedicated technical team providing support. Whether customers encounter technical difficulties during product installation or not, Ningbo Oubao Technology Co., Ltd. can provide timely and professional solutions.
  • Customized Services: In addition to providing standard hinge products, Ningbo Oubao Technology Co., Ltd. possesses strong customization capabilities, able to provide plastic hinges of different specifications, load capacities, and functional characteristics (such as high temperature resistance, UV resistance, etc.) according to customer needs. For some special application scenarios, Ningbo Oubao Technology Co., Ltd. can provide flexible customized services to ensure that customers receive the most suitable products.

Price and Delivery Cycle

  • Cost-effective Products: Through continuous technological innovation and production process optimization, Ningbo Oubao Technology Co., Ltd. ensures that its products meet industry standards in terms of quality and performance while maintaining strong market competitiveness. While guaranteeing product quality, it provides plastic hinges with excellent cost-effectiveness, meeting the needs of most customers, especially those requiring cost control in their projects.
  • Stable Production Capacity and Fast Delivery: Ningbo Oubao Technology Co., Ltd. has large-scale production capacity and flexible production lines, enabling it to quickly respond to customer needs and ensure timely delivery for large or urgent orders. Furthermore, Ningbo Oubao Technology Co., Ltd.'s production efficiency is constantly improving with the introduction of advanced equipment and continuous optimization, ensuring the stability of delivery cycles.

Customization and Flexibility

  • Product Customization Services: Ningbo Oubao Technology Co., Ltd. not only provides standard plastic hinges but can also provide customized designs according to customers' specific requirements. For example, if a customer requires specific materials, specific dimensions, or special functions, Ningbo Oubao Technology Co., Ltd. can provide tailor-made plastic hinges to meet the needs of various complex application scenarios.
  • Flexible Production and Small Batch Production Capabilities: Ningbo Oubao Technology Co., Ltd. also supports small batch production. For startups or customers requiring trial production, Ningbo Oubao Technology Co., Ltd. can provide flexible production quantities, helping customers quickly enter the market and conduct product testing.

Environmental Protection and Sustainability

  • Environmentally Friendly Products and Production Processes: With increasing environmental awareness, many customers are beginning to focus on the environmental performance of plastic hinges. Ningbo Oubao Technology Co., Ltd. emphasizes product sustainability, using environmentally friendly materials and complying with environmental certification standards such as RoHS and REACH. By optimizing production processes and reducing the environmental impact during manufacturing, Ningbo Oubao Technology Co., Ltd.'s plastic hinges not only possess excellent performance but also meet the modern enterprise's demands for environmental protection and sustainable development.