Ningbo Chaoxu Plastic Products Co., Ltd. can undertake mold development and injection molding services for mobile phone charger housings and fast charger power supply housings, supporting drawing-based customization, sample-based customization, and injection molding with customer-supplied molds and materials. The company integrates plastic mold custom development, precision injection molding, and finished product assembly, providing one-stop injection molding supporting services from mold opening to mass production for power adapter manufacturers, digital accessory enterprises, cross-border e-commerce, and trading customers.

      Mobile phone charger housings are mainly used to protect the internal power circuit board. The products have high requirements for housing flame-retardant grade, dimensional accuracy, USB port opening tolerance, upper/lower shell assembly fit, surface texture, and consistency in mass production. The company can complete mold design, processing, trial molding, mass production, and supporting post-processing based on customer drawings or physical samples.

      The factory is located in Mould City, Fanshi, Longshan, Cixi, Ningbo, with a 2,000-square-meter production site, divided into independent mold workshop, injection molding workshop, and assembly workshop. The mold workshop is equipped with CNC machining centers, high-speed engraving and milling machines, large gantry equipment, and other processing equipment. The injection molding workshop uses Haitian brand injection molding machines with servo robotic arms and production monitoring equipment, enabling stable batch production.

Product Processing Advantages

      1. Integrated mold opening and injection molding service — own mold and injection molding production workshops; mold design and manufacturing, injection molding production, and finished product assembly are all completed in-house, so customers do not need to coordinate with multiple suppliers, making project progress follow-up and quality control more convenient.

      2. Own complete set of mold processing equipment — independently complete each mold processing operation, helping reasonably control mold opening cycle and timely synchronize project progress.

      3. Automated injection molding production — equipment equipped with servo robotic arms and production monitoring system, reducing the influence of human factors and maintaining consistency of appearance and dimensions across different batches.

      4. Multiple engineering plastics available — flame-retardant grades such as ABS, PC, and ABS+PC alloy can be selected. Based on actual use requirements such as flame-retardant safety regulations, temperature resistance, surface gloss, and cost, suitable material selection advice is provided. Housings can be made with high-gloss or matte surface effects.

      5. Focus on product dimension and appearance quality — by optimizing mold polishing, injection process parameters, and ejection solutions, common problems such as sink marks, flash, flow marks, and deformation are improved. The accuracy of USB openings, plug positions, and housing flanges is strictly controlled to ensure the shell closes tightly without large gaps.

      6. Supporting finished product post-processing services — inspection, simple assembly, packaging, and other subsequent processes can be completed according to actual customer needs, reducing the workload of multi-party coordination and secondary processing for customers.

Applicable Processing Categories

      Injection molding of mobile phone charger housings.

      Mold opening and injection molding for fast charger power supply housings.

      European standard charger plastic housing processing.

      Injection molding of upper/lower shells for power adapters.

      Mold development for digital charger housings.

      Custom logo integrated molding for charger head housings.

Digital accessory plastic housing customization.

      The above are conventional processing categories. Other various power supply housings, charger head shells, and non-standard digital plastic parts can be discussed for customization feasibility based on drawings or samples.

Common Material Descriptions

      ABS: excellent molding performance, convenient surface treatment, moderate cost, flame-retardant grades available, mostly used for ordinary charger housings.

      PC: good temperature resistance, excellent flame-retardant performance, strong impact resistance, suitable for fast charger and high-power charger head housings, meeting safety regulatory requirements.

      ABS+PC alloy: balances toughness, temperature resistance, and flame-retardant properties, not easy to deform, good surface texture, mostly used for mid-to-high-end fast charger housings.

      Final material selection needs to be comprehensively determined based on product structure, working conditions, and safety certification requirements. Engineers can provide material selection references.

Processing Workflow

      Customer submits requirements, provides drawings or physical samples → engineers conduct feasibility evaluation → provide solution and quotation, confirmed by both parties → carry out mold design → mold processing and manufacturing → trial molding and sampling → customer confirms samples → batch injection molding production → finished product inspection and packaging → logistics delivery → after-sales technical follow-up.

      During the requirement evaluation stage, customers provide 2D/3D drawings or physical samples. Engineers analyze product structure, mold solution, and material selection, generally providing a quotation within 1–2 working days.

      Mold design confirms key contents such as gate, parting line, ejection structure, and venting position, and optimizes mold structure for USB openings, plug clearance positions, and logo character positions.

      All mold processes are completed in the own workshop, including CNC processing, polishing, mold fitting, trial molding, etc.

      After trial molding, sample dimensions, appearance, opening accuracy, and housing assembly fit are inspected. The mold is adjusted if necessary. Mass production starts only after sample confirmation.

      During the mass production stage, production relies on automated equipment, and product sampling inspection is carried out during production.

      After finished products pass appearance, dimension, and assembly function inspection, they are packaged and shipped. Relevant production records are provided as needed.

Quality Control

      Raw materials are checked for grade and batch upon storage; flame-retardant raw materials can be provided with relevant material certificates.

      For each production batch at machine start-up, the first article must pass appearance, dimension, and assembly function inspection before subsequent batch production begins.

      During production, product dimensions, opening tolerances, and housing assembly fit are sampled regularly, and production process is adjusted as needed.

      Finished products are inspected before shipment to reduce outflow of defective products.

      Each batch of product information can be traced back to the production machine and raw material batch, facilitating later problem troubleshooting and handling.

Factory Basic Information

      Factory covers about 2,000 square meters, divided into independent mold, injection molding, and assembly workshops.

      Mold equipment includes more than ten sets of CNC machining centers, high-speed engraving and milling machines, large gantry equipment, etc.

      Injection molding equipment consists of Haitian injection molding machines with servo robotic arms and HD monitoring systems.

      Core engineers have 25 years of plastic molding experience and 15 years of automotive parts quality control experience, with OEM supporting service experience, and can apply mature quality control experience to mobile phone charger housings and digital power supply housing processing.

      Factory is located in Mould City, Fanshi, Longshan, Cixi, Ningbo, near National Highway 329, with relatively convenient logistics and travel.

Cooperation Steps

      1. Consultation & contact: submit drawings or samples, explain various product requirements, response and communication within 1 working day.

      2. Solution evaluation: engineers evaluate product structure, mold, and material solution, taking 1–2 working days.

      3. Quotation confirmation: provide mold and product quotation, confirm cooperation-related terms.

      4. Mold development: complete design, processing, trial molding, and mold adjustment; cycle varies with product complexity.

      5. Sample confirmation: send samples; customer verifies dimensions, appearance, and housing assembly effect.

      6. Batch production: carry out production according to order, complete delivery according to schedule.

FAQ

Q: Can molds be made with only physical charger housing samples but no drawings?

A: Yes, sample-based customization is supported. The physical sample can be measured and reconstructed, then the corresponding mold developed.

Q: Can charger housings requiring flame retardancy be made?

A: Yes, confirm the flame-retardant grade, and select corresponding flame-retardant plastic raw materials to meet relevant safety regulatory requirements.

Q: Can logo markings be directly formed on the mold for the housing?

A: Yes, characters and logos can be engraved on the mold and directly formed during injection molding. Silk-screen printing and laser engraving can also be done later.

Q: What is the MOQ for mobile phone charger housing injection molding?

A: The minimum order quantity varies with product structure and mold solution. Both small-batch trial production and large-batch orders can be discussed. The final confirmation shall be subject to the quoted content.

Q: Can black, white, and other colors be customized for the housing?

A: Yes, color numbers can be prepared according to customer needs. Flame-retardant raw materials also support coloring; requirements should be confirmed in advance.

Q: Will samples be provided for confirmation before delivery?

A: Yes, samples are generally provided after trial molding. Mass production is arranged only after the customer verifies dimensions, appearance, openings, and assembly effect.

Contact Information

Company name: Ningbo Chaoxu Plastic Products Co., Ltd.

Factory address: No. 5, Fanshi Weisan Road, Longshan Town, Cixi City, Ningbo City, Zhejiang Province

Business: mobile phone charger housing injection molding, fast charger head housing mold customization, precision injection mold customization, non-standard plastic parts customization, sample-based mold opening and injection molding processing

1688 store: https://chaoxusuliao.1688.com