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Replaceable Bulb String Lights

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Product Overview

Replaceable bulb string lights use sockets that accept a screw-in lamp, so a failed lamp is changed without replacing the string. The Hengboyi website states that both integrated and replaceable lamp versions are produced, and it lists replaceable models across several bulb shapes and bases.

The S14 pendant detachable E27 warm white string carries 10 detachable S14 bulbs at 1 W and 50 lm, 2700K, on a 5 m string with 0.5 m spacing, a transparent PC shade, 2 × 0.824 mm² wire, a 0.5 m extension cable and IP44. Up to 6 strings can be connected, and the supply is AC220-240V 50/60Hz with a 16A EU cord.

Replaceable versions are also listed in the G40 E12 and ST38 families. Integrated strings have the lamp built into the socket, such as the S14 outdoor E27 string, which is listed as an integrated molded structure at IP44.

Buyers are importers, distributors, contractors and lighting brands. Base, lamp power, voltage, wire and packaging can be customized, and the sales team confirms the allowed lamp wattage per socket in the quotation. Product pages for the replaceable models state the base, the lamp power and the protection rating, and these three values are the ones to check when a replacement lamp is ordered later.

Our Products

Decorative String Light Series

Reliable string lights for retail, hospitality and outdoor projects, available with OEM / ODM service.

Technical Specifications

The table lists replaceable and integrated models published on the Hengboyi website, so that the two lamp structures can be compared on the same data.

ModelPublished Details
Table 1. Summary of core specifications for replaceable bulb string lights.
S14 Pendant Detachable E27 Warm White String Lights10 detachable S14 bulbs, 1 W, 50 lm, 2700K, 5 m string, 0.5 m spacing, transparent PC shade, 2 × 0.824 mm² wire, 0.5 m extension cable, AC220-240V 50/60Hz, 16A EU cord, up to 6 strings, IP44
S14 Outdoor E27 Warm White String Lights10 lamps, 2700K, about 80 lm per lamp, 5 m string, 0.5 m spacing, PVC wire, 1.5 m lead, 0.25 m extension cable, IP44, integrated molded structure
G40 replaceable versionE12 base; both integrated and replaceable lamp versions are produced
ST38 Vintage E12 String Lights1 W, warm white; pendant and integrated versions are listed
Lamp structure optionsIntegrated lamps are sealed into the socket and replaceable lamps screw in; the structure is stated in the inquiry

The allowed wattage per socket and the bulb type for a replacement are stated in the quotation, so that a replacement lamp stays within the rated load of the string.

Applications and Target Customers

The table sets out who buys replaceable strings and which published models match each use.

Customer TypeTypical Use and Relevant Series
Table 2. Summary of applications and target customers for replaceable bulb string lights.
Importers and distributorsImporters and distributors can stock replaceable strings by base, with E27 for the S14 detachable model and E12 for the G40 and ST38 versions.
E-commerce sellersE-commerce sellers can list the S14 pendant detachable set, which states 10 bulbs, 1 W, 50 lm and 2700K, and mention that bulbs can be replaced.
Retail chainsRetail chains can offer replaceable and integrated strings of the same shape, so that two price levels share one design.
Hotels and engineering projectsHotels and engineering projects can choose replaceable lamps where a failed lamp must be changed without replacing the string, with IP44 published for the S14 model.
Lighting brandsLighting brands can request a replaceable lamp base, a bulb finish or packaging through the OEM and ODM service.
Service planningThe S14 detachable string lets a lamp be changed alone, and up to 6 strings can be connected on it

A replacement lamp must fit the socket base and stay within the rated wattage, so the buyer states the base and wattage in the inquiry.

Customization Capabilities

Hengboyi offers OEM and ODM services for Replaceable Bulb String Lights. The website states that these services cover product design, specifications, packaging and branding, and that voltage, length, wire type, appearance and packaging can be customized. A dedicated R&D team handles exterior design, structural optimization and circuit design, and the process follows four stages: requirements discussion, sample production, mass production, and delivery with after-sales support. For Replaceable Bulb String Lights, the points most often fixed at this stage are socket type, bulb base and detachable structure.

Customization ItemOptions and Basis
Table 3. Summary of OEM/ODM customization capabilities for replaceable bulb string lights.
Bulb typeE12 or E27
Spare bulbsQuantity
Brand and logoBrand name, logo and branding elements on product and packaging, which fall within the OEM/ODM scope stated on the website.
Voltage and regional versionVoltage can be customized; AC220-240V and a US standard AC120V 60Hz version are listed.
Wire type and appearanceWire type and appearance can be adjusted, as stated on the website.
PackagingPackaging design and content, including retail box, instruction language and carton marking.

Plug type, instruction language and carton printing are agreed in the project specification before sample production. Inquiries can be sent to sale2@hengboyi.com or +86-574-62838966.

Certification and Quality Systems

The About page of the Hengboyi website lists CE and RoHS as certifications obtained around 2020, and states that the products meet international safety and waterproofing standards. The certification page displays three certificate images. The product pages state the protection rating and the supply voltage per model, and these values are the reference when a certificate copy or a test report is requested. The table shows what each listed certification covers.

CertificationStatus on WebsiteRelevant MarketScope
Table 4. Summary of certifications and compliance for replaceable bulb string lights.
CEListed, obtained around 2020European Economic AreaConformity marking for electrical products placed on the EU market
RoHSListed, obtained around 2020European Union, and buyers who require restricted-substance complianceRestriction of hazardous substances in electrical and electronic equipment
IP ratingIP44 on S14 detachableCovered useProtection class
Certificate imagesThree images shown on the certification pageDocument review by buyersCopies for a specific model can be requested during quotation

Approvals other than CE and RoHS are not listed on the website. Buyers whose target market or customer requires a further approval can raise it with the sales team before placing an order, so that the requirement is checked against the specific model. The company also states that it holds independent export qualifications and is familiar with international market regulations.

Quality Control Process

The website describes quality control as running through the whole order cycle, from sample development and trial production to production-line inspection and mass-production checks, and shows a laboratory area on its factory page. The table lists the inspection points applied to Replaceable Bulb String Lights, using attributes that appear in the published specifications.

StageWhat Is Checked
Table 5. Summary of quality control stages for replaceable bulb string lights.
Sample developmentAppearance, structure and socket type, bulb base and detachable structure against the approved drawing or sample.
Trial productionLight-up test, plug and cable check, and review of the first pieces from the line against the signed sample.
Production-line inspectionLamp spacing, socket fit and wire marking on the line, together with socket type, bulb base and detachable structure.
Mass-production inspectionQuantity, labelling, packaging content and carton marking against the purchase order.
Additional testsFurther test items for Replaceable Bulb String Lights are agreed per order and recorded in the specification that accompanies the sample.

Inspection items beyond those above follow the specification agreed for each order and are recorded with the sample approval.

Lead Time and Production Capacity

Ningbo Hengboyi Lamp Co., Ltd. began in 2003 as Yuyao Hengli Auto Accessories Factory, moved into decorative and LED lighting in 2008, started exporting in 2012, was renamed in 2015, upgraded its production and testing facilities in 2018, and expanded its global customer network in 2023. The factory page shows workshop, warehouse and laboratory areas, and the production process uses injection molding. Replaceable strings share the pendant line.

ItemInformation
Table 6. Summary of capacity and lead time for replaceable bulb string lights.
Operating historyManufacturing since 2003; decorative and LED lighting since 2008
Facilities shown on websiteWorkshop, warehouse and laboratory
Range for this tagReplaceable strings
Minimum order quantitySet per model and customization level, stated in the quotation
Standard lead timeConfirmed per order after the sample and quantity are fixed
Peak-season lead timeStated in the quotation together with the order quantity and the requested shipping date
Monthly capacityStated per model when the order is scheduled

Factory area, headcount and monthly output figures are not published on the website. Buyers who need them for supplier evaluation can request them from the sales team. Inquiries can be sent to sale2@hengboyi.com or +86-574-62838966.

Packaging and Logistics

The company handles its own export documentation and logistics under independent export qualifications. Packaging is part of the customization scope, so carton and retail-box details depend on the model and the buyer's packaging design. Spare bulbs in the pack. The table summarises how packaging and shipping information is handled for Replaceable Bulb String Lights.

ItemDetail
Table 7. Summary of packaging and logistics for replaceable bulb string lights.
Retail packingRetail box, blister or bag, set per model and packaging design
Carton size and quantity per cartonFixed per model and packing style, stated in the quotation
20GP and 40HQ loadingCalculated from the confirmed carton size and quantity, and shown on the proforma invoice
Loading portConfirmed in the quotation; the factory is located in Yuyao, Ningbo, Zhejiang
Trade termsBuyers state the term in the inquiry, for example EXW, FOB or CIF, and the quotation follows it
Packing note for this tagStrings are coiled or wound, and the extension cable and adapter are packed with the string
DocumentsPrepared by the company's own export team

Shipping marks and carton printing follow the buyer's instructions. Mixed-model orders can be loaded in one container, and the loading plan for 20GP or 40HQ is returned with the quotation so that the buyer can check the quantity against the order before payment terms are agreed.

Procurement FAQ

  • Q: What is the MOQ for Replaceable Bulb String Lights?
  • A: The minimum order quantity depends on the model and on the level of customization. Catalog models and models changed in socket type, bulb base and detachable structure can carry different quantity levels. Send the model name, bulb shape, base type, voltage and target quantity to sale2@hengboyi.com, and the sales team replies with the MOQ for that item.
  • Q: How are samples charged and how long do they take?
  • A: Sample production is the second stage of the OEM/ODM process on the website. Sample cost and sample time are quoted per model, since a catalog item and a newly developed item need different work. The quotation states both before the sample is started. For Replaceable Bulb String Lights, the sample is checked for socket type, bulb base and detachable structure before it is approved for mass production.
  • Q: Can Replaceable Bulb String Lights be made under our own brand?
  • A: Yes. OEM and ODM services cover product design, specifications, packaging and branding. For Replaceable Bulb String Lights, the brand is normally applied to the packaging, the instruction sheet and the product label. Brand name, logo, packaging design, string length, voltage and wire type can be set to the buyer's requirements and are recorded in the project specification.
  • Q: What payment terms are used?
  • A: Payment terms are stated in the quotation and the sales contract for each order. Buyers can state the preferred terms at the inquiry stage so that they are agreed before production is scheduled.
  • Q: What warranty applies?
  • A: The website lists delivery and after-sales support as the fourth stage of the OEM/ODM process. The warranty period and the handling of defective units are written into the sales contract, and the buyer can request this wording during quotation.

Selection Recommendations

A replaceable string is chosen by base, lamp power and service plan. The table maps common requirements to the models published on the Hengboyi website.

RequirementRecommended Series and Basis
Table 8. Summary of selection recommendations for replaceable bulb string lights.
E27 base with detachable S14 bulbsS14 pendant detachable string, 10 bulbs at 1 W, 50 lm, 2700K and IP44.
E12 base with replaceable lampsG40 replaceable version, which the website lists next to the integrated clip-on strings.
Vintage bulb shapeST38 vintage E12 string at 1 W warm white, published in pendant and integrated versions.
Sealed lamps without replacementS14 outdoor E27 string, an integrated molded structure at IP44 and about 80 lm.
Several strings on one supplyS14 detachable string, which states that up to 6 strings can be connected.
Lamp wattage limitsStated in the quotation per socket and base.

Model-level data sheets are issued with the quotation. The recommendations above come only from data published on the Hengboyi website, and the final match is confirmed against the buyer's drawing, sample or target market.

Inquiry Guidance

A complete inquiry shortens the time to a quotation, because the model, the lamp structure and the packaging can be confirmed in one round. The list below sets out the information that the Hengboyi sales team needs for Replaceable Bulb String Lights. Items that are still open can be left blank and settled during the requirements discussion, which is the first stage of the OEM/ODM process on the website.

  • BaseE12 or E27.
  • SparesQuantity.
  • WattageLimit per socket.
  • Length5 m or custom.
  • Voltage and plug standardAC220-240V mains versions and a US standard AC120V 60Hz version are listed. Confirm the plug type for the destination country.
  • Power source and protection ratingMains adapter, low-voltage adapter or solar panel, and the IP rating that the installation location requires.
  • Branding and packagingLogo, packaging design, instruction language and carton marking, which fall within the OEM and ODM scope.
  • Quantity, delivery date and trade termOrder quantity per model, target shipping date, and the term such as EXW, FOB or CIF.

Send the details above to sale2@hengboyi.com or call +86-574-62838966. The sales team replies with a quotation and the sample plan.

If some items are not yet fixed, the sales team can propose options from the models listed on the website, and the agreed points are recorded in the project specification before sample production starts.

Our Story
String Light & Solar Lighting Manufacturer
As

China decorative string lights manufacturer and LED decorative lights factory

, Ningbo Hengboyi Lamp Co., Ltd. founded in 2003, specializes in the development and manufacture of string lights and solar lighting products. Equipped with advanced production and testing facilities, we are committed to delivering attractive designs, reliable quality, and consistent performance. Our products are widely recognized by customers worldwide, and we have established long-term partnerships with lighting brands and manufacturers across global markets.
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Ningbo Hengboyi Lamp Co., Ltd.
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Keep in Touch With Us

  • After-sale Service+86-13901119074
  • Send Emailsale2@hengboyi.com
  • Visit NowNo. 18 Rongchuang Road, Mingwei Village, Lizhou Street, Yuyao City, Ningbo, Zhejiang Province, China

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