One-Stop PCB Assembly In China | PCBA Supplier
At LHD, we offer more than just assembly — we provide a complete PCB manufacturing solution that grows with you.Whether you need a handful of prototypes or a high-volume production run, we’re set up to handle both with the same level of precision and care. No minimum order quantity, no unnecessary barriers — just flexible, responsive service tailored to your project.
- Our technical capabilities cover the full spectrum: single-sided and double-sided SMT, mixed-technology assemblies, through-hole soldering, and complete system integration.
- Behind it all are two ISO-certified facilities with over 15 production lines, all dedicated to in-house SMT and THT assembly. That means we control quality from start to finish — and you get consistent results, every time.
- From your first prototype to your highest-volume production, LHD is built to scale with you.
UL
ISO9001
ISO14001
RoHS
IPC
PCB Assembly Services
LHDPCB is a tried and tested PCB setting up producer offering a full variety of services,consisting of prototyping,manufacture, global part sourcing, surface-mount and through-hole assembly, post-solder examination, and practical testing. Backed by over 20 years of manufacturing excellence,we consistently supply assemblies that comply with industry standards for both lead-free (RoHS) and conventional soldering procedures.
Our sophisticated assembly abilities use SMT, through-hole, and crossbreed setting up procedures with full high quality traceability throughout manufacturing. Our manufacturing lines deliver high-precision placement for fine-pitch BGA (0.3 mm) and QFP (0.2 mm) components, with an accuracy of ±25 µm and a maximum throughput of 80,000 CPH.
Our operations is engineered for adaptability. We have no minimal order amounts and fit whatever from single-board prototypes to quantity PCB setting up. Every job take advantage of internal DFA checks, process traceability, and strenuous testing protocols that that straighten with IPC and ISO 9001,ISO 14001 requirements.
PCBA Capability | |
|---|---|
SMT Lines | 7 Lines |
Capacity | 8 Million Placements Per Day |
Max Board Size | 680*550mm Smallest:0.25"*0.25" |
Min Components size | 0201-54 sq.mm (0.084 sq.inch),Long Connector,CSP,BGA,QFP |
Speed | 0.15sec/chip, 0.7sec/QFP |
Wave-Solder | Max.PCB Width:450mm |
Min.PCB Width:unlimited | |
Components Height:Top 120mm/Bot 15mm | |
Sweat-Solder | Metal Types:Part,Whole,Inlay,Side-step |
Metal Material:Copper,Aluminum | |
Surface Finish:Plating Au,Plating Silver,Plating Sn | |
Air Bladder Rate:less than 20% | |
Press-fit | Press Range:0-50KN |
Max.PCB Size:800*600mm | |
Assembly Types | SMT and Thru-hole |
Solder Type | Water Soluble Solder Paste,Leaded and Lead-Free |
File Formats | Bill of Materials ,Gerber Files,Pick-N-Place Files(XYRS) |
Type of Service | Turn-Key,Partial Turn-Kye or Consignment |
Component Packaging | Cut Tape,Tube Reels Loose,Parts |
Turn Time | 1-15days |
Testing | XRAY Inspection,AOI Testing ICT,Flying Probe,Burn-in,Function Test |
LHD conducts strict inspection and testing on all PCB components throughout the entire production process, covering multiple dimensions such as appearance, internal structure, electrical performance and reliability.
Optical and non-destructive testing: AOI + X-ray to ensure placement accuracy and the quality of hidden solder joints.
Electrical function testing: ICT + FCT, comprehensively verifying circuit integrity and system functionality.
Reliability verification: Solderability, thermal shock, and micro-slice analysis to ensure the long-term stability of the product under harsh working conditions.
All inspections and acceptances are carried out in accordance with the ISO 9001,ISO 14001 Quality Management System and the IPC UL Electronic Assembly Acceptability standard to ensure the consistency and compliance of the delivered products.
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Why Pick LHD TECH as Your PCB Setting Up Service Provider?
Quick PCB Assembly
LHDPCB's facilities sustains quick production startup; prototyping can start as early as 24-hour after order verification.
Our Shenzhen factory flaunts 15 Yamaha SMT assembly line developed for high-speed production.
This configuration allows us to flexibly set up prototyping, small-batch manufacturing, and repeating orders.
Comprehensive Integrated Services
We provide a fully integrated one-stop solution that spans the entire product realization process:
1.Rapid Prototyping – put 3D printing to work and cut design validation time.
2.PCB Fabrication – high-quality board manufacturing tailored to your specifications.
3.Component Sourcing – strategic procurement ensuring quality and supply chain stability.
4.SMT & Through-Hole Assembly – precision placement and soldering for mixed-technology designs.
5.Enclosure-Level Integration – final assembly into housings, delivering fully finished products.
By consolidating all critical stages under a single partnership, we eliminate the inefficiencies of multi-vendor coordination, shorten time-to-market, and maintain consistent quality from concept to completion.
Our manufacturing facility covers over 30,000 square meters and has actually committed facilities, allowing us to handle orders of all dimensions, from single prototypes to multi-panel manufacturing, while maintaining lean production procedures and regular item top quality.
Competitive Global Rates
With two strategically operated internal assembly plants, LHD exercises full command over labor efficiency and process optimization. This vertical integration translates into cost transparency, stable pricing, and a distinct competitive advantage that we pass directly to our customers.
We source only through relied on suppliers, allowing us to deliver top notch PCB settings up at around the world competitive rates, with no concealed fees and scalable rates support for volume orders.
Quality Assurance
All LHDPCB items adhere to ISO 9001,ISO 14001, IPC-A-610, UL, RoHS. We have over 500 extremely trained engineers and operators, applying standardized procedures at every phase from raw material dealing with to last assessment.
To ensure top quality, our assembly line are geared up with AOI systems, X-ray examination, and in-line solderability testing devices.
For sectors requiring the highest possible sturdiness, we additionally use motherboard compliant with IPC-6012 Class 3 and Course 3/A requirements, took care of via enhanced procedures at our manufacturing facility in Shen zhen.
Remodel and Reimburse Guarantee
If any type of mistake occurs because of manufacturing or managing, LHDPCB provides full payment options, consisting of rework, re-fabrication, or refund, and covers all linked delivery expenses.
This policy reflects our dedication to responsibility and long-lasting client depend on.
Trusted Worldwide Shipping
We know that how your circuit board arrives is as important as how it is made. This is why we partner with industry-leading operators such as DHL and fedex to offer fast and reliable global shipping - usually within just 4 working days.
Every order is packaged to stand the test of the journey: anti-static bags/moisture-sealed moisture-proof barriers/shock-absorbing buffers
From the moment production is completed until it reaches you, we always handle your goods with the same precision and meticulousness.
Our PCB Assembly Process?
Send Out Us Your Documents
You start by sending your Gerber documents, Costs of Products (BOM), pick-and-place information, and special directions or setting up illustrations.To ensure precision from the outset, Our engineering team performs a comprehensive file consistency check, laying the groundwork for accurate and reliable project quoting.
Sustained file layouts include.gbr,. web cam,. brd,. pcbdoc,. xls,. csv, and.txt.
We promise to keep all information confidential and can sign an NDA agreement.
Receive Your Quote Within 24 hr
Once we assess your submission, we return an in-depth quote within one company day. This includes prices for fabrication, element purchase, assembly, and any testing required. We additinally include DFM/DFA observations if style changes are recommended prior to construct.
Authorize and Verify Your Order
After examining your quote, you can verify the order straight or demand changes. We'll edition your quote appropriately. Once authorized, manufacture and sourcing commence promptly.
PCB Fabrication
Go with LHDPCB, and your boards are manufactured in-house — fully compliant with IPC UL. Our PCB manufacturing capabilities span 1 to 68 layers, supporting finished copper weights from 0.3 oz up to 30 oz — with extended options up to approximately 1,000 μm available upon request. Our process achieves trace/space resolutions as fine as 1.8 mils, enabling high-density, high-reliability designs across a broad range of applications. For surface finish, we offer ENIG, HASL, OSP, and immersion silver or tin — whatever fits your design.
Procurement Components
Your BOM parts? We get them from reliable sources like Digi-Key, Mouser, Arrow — no shortcuts. All parts are confirmed versus impact, voltage rating, and accessibility. We do not make use of gray market or uncertified resources. Purchase is totally deducible and quality-controlled.
PCB Assembly
LHD’s SMT manufacturing process is built on two pillars of precision:
- Solder Paste Printing: Advanced stencil printing with controlled deposition accuracy, ensuring consistent paste volume and alignment for fine-pitch and ultra-small components
- High-Speed Pick-and-Place: State-of-the-art placement systems engineered to handle a wide range of component types with exceptional accuracy:
- 0201 chip components
- BGAs with 0.3 mm pitch
- Fine-pitch QFNs with 0.2 mm lead pitch
- Placement accuracy maintained at ±25 µm
Reflow profiles are customized to match your specific board stack-up, ensuring optimal solder joint formation for multilayer and thermally demanding assemblies.Through-hole components are placed via manual or semi-automatic processes, followed by wave soldering that delivers complete thermal penetration for reliable through-hole interconnect integrity.
Multi-Stage Inspection & Testing
Every assembly undergoes multi-stage quality evaluation at LHD. Our inspection protocol includes visual inspection, Automated Optical Inspection (AOI), and X-ray examination — with particular focus on BGA and QFN solder joint integrity — ensuring comprehensive defect detection and process validation.Functional top quality is confirmed via In-Circuit Screening (ICT), Useful Circuit Examining (FCT), and, when defined, thermal shock and environmental cardiovascular test.
Cleaning and Finish
Finished boards are cleaned utilizing deionized water and saponifiers to eliminate change deposits. If your design needs it, we use conformal layer (acrylic, silicone, or urethane) and treatment under regulated problems. All coverings are UV-traceable and verified throughout last assessment.
Packaging and Delivery
We take every precaution to ensure your PCBs arrive in perfect condition, no matter where you are in the world.
Each PCB is sealed in anti-static bags with moisture barrier protection, then cushioned with shock-resistant materials to ensure safe transit. For international deliveries, we ship via DHL, FedEx, or your preferred carrier — providing full tracking and complete customs documentation for a hassle-free experience.
LHDPCB provides structured, made a list of quotes that outline all core services associated with your PCB making task.
- PCB Prototyping – rapid turnaround for design validation and iteration.
- Component Sourcing – strategic procurement ensuring quality, availability, and cost efficiency.
- Soldering & Assembly – whether it’s SMT or through-hole, we tailor the soldering profile to your board. Different stack-ups, different thermal masses — we adjust accordingly.
- Cleaning & Post-Processing – thorough contaminant removal to ensure long-term reliability.
- Full Functional Screening – comprehensive electrical and functional testing to verify performance.
As a global PCB supplier, LHD delivers cost-effective solutions for both low- and high-volume production. Our scalable, volume-based pricing model ensures that you benefit from competitive rates regardless of project scale — without compromising on quality or service.While precise rates differs by board intricacy, sourcing method, and screening level, we maintain clear estimating practices with no covert fees.
From fast PCB assembly to recurring manufacturing, our prices design adapts to your requirements and reflects confirmed solutions from PCB tasks.
LHD TECH accepts multiple payment methods to support various procurement processes, including bank transfers, credit cards, cash, PayPal, and more.
Our quoting process is designed to improve the efficiency of sourcing high-quality PCBs from various markets.
LHD TECH PCB Assembly Price Details
LHD TECH offers structured and itemized quotes to help you recognize the vital expense drivers of your PCB setting up project, whether you’re preparing a fast PCB assembly for prototyping or scaling approximately a high-volume PCB run for manufacturing.
What Industries Does LHD TECH Offer?
LHDPCB supports PCB setting up across a wide range of markets that require accuracy, traceability, and repeatable high quality.Our manufacturing processes are trusted across both prototyping and volume assembly — delivering the precision, performance, and regulatory compliance required in industries where failure is not an option.
Medical Devices
LHDPCB gives solutions for medical clients making analysis systems, imaging platforms, and patient tracking tools.
Printed Circuit Boards to IPC-6012 Class 3/A standards — the highest reliability classification for high-performance electronic assemblies. Our process ensures full traceability, RoHS compliance, and rigorous moisture-sensitive level (MSL) handling to safeguard component integrity throughout production.
We sustain both PCB prototypes and production runs where constant electric performance and product recognition are compulsory.
Industrial Automation
We put together published circuit card settings up for PLCs, sensor control components, electric motor motorists, and industrial user interface boards.
For demanding applications requiring conformal coating protection, wide thermal stability, and EMI shielding, we delivers robust PCB assemblies. Our manufacturing capabilities support both SMT and through-hole configurations — seamlessly integrating into control cabinets and industrial equipment with proven reliability.
Automotive Equipments
LHD TECH is a PCB producer supporting ECUs, ADAS modules, and automobile lighting systems. Our builds are relied on by OEMs requiring relied on PCB services that withstand temperature biking, resonance, and mixed-voltage procedure.
Applications include powertrain, infomercial, and power conversion subsystems.
Customer Electronics
We offer quick-turn PCB assembly and prototyping tailored to the consumer market. Our experience spans:
- Smart home devices — sensors, hubs, voice assistants
- Wearables — fitness trackers, smartwatches, hearables
- Handheld controllers — gaming, remote controls, portable interfaces
The assemblies we build for consumer products frequently include:
- 0201 passives and BGAs — fine-pitch components that demand precision placement
- Fine-line traces — tight geometries for high-density routing
- Stacked microvias — advanced interconnect structures for compact layer stacking
We integrate prototyping and assembly into one streamlined workflow — so you move from design validation to volume production without the usual back-and-forth.
Aerospace
LHD TECH provides PCB designs for aerospace projects that require high-vibration, thermal cycling environments.
When we manufactures PCBs with tightly controlled impedance — achieved through precision via filling and uncompromised solder joint integrity. These capabilities aren’t just technical specs — they’re what keep airframe systems, navigation equipment, and environmental control units running without failure. We build every one of those boards under Class 3/A process control, because that’s the level of discipline those applications demand.
Just how to Order Your PCB Board Setting Up Solutions In 5 Easy Steps
PCB Manufacturing and Order Evaluation Process
LHD TECH's Valuable Partner
Our Certification
We are a trusted high-quality PCB manufacturing and assembly facility, consistently adhering to strict compliance with global industry standards. Our commitment to quality is backed by a series of rigorous certifications, including core certifications such as ISO 9001, ISO 14001, UL, RoHS, and IPC, ensuring reliable safety, exceptional performance, and environmental sustainability in all our products.
Our Team
We have an experienced technical and after-sales service team that provides professional technical support and precise process assurance for every PCB assembly project. We always adhere to the philosophy of quality-centricity, efficiency-oriented approach, and innovation-driven development, ensuring that every order strictly complies with international standards such as UL, ISO,IPC, RoHS.
PCB Assembly Services Client Feedback
LHD consistently delivers flawless PCBA assemblies with exceptional attention to detail. Its zero-defect soldering processes ensure robust mechanical and electrical integrity across all boards. Post-assembly testing protocols, including AOI, X-ray inspection, and functional validation, further guarantee reliability in high-demand applications.
Exceptional PCB manufacturing processes – precise, reliable, and on time. Their consistent quality and clear communication ensure smooth progress for every project. Highly recommended for all customers with PCB needs.
Professional PCBA services and precise PCB assembly. Their consistent quality, rigorous testing, and reliable communication make them an excellent PCBA manufacturing partner. I highly recommend working with LHD.
PCB Assembly Service FAQs
Yes,If you wish to resource a bare board or components on your own, we more than happy to give PCB setting up services.
Your priced estimate price consists of setup costs, stencil fees, assembly solution prices, labor expenses, parts, and delivery.
Yes, we offer competitive volume-based pricing for large orders. Our discount structure is tiered — as your order quantity increases, your per-unit cost decreases.
If you’d like, we can take a look at your upcoming project, estimate the volume, and give you a customized mass production rate. Just let us know the details and we’ll get a quote over to you.
LHD’s turnkey PCB assembly is exactly what it sounds like: we take full responsibility for your entire PCBA project. From sourcing components and fabricating boards to assembly, testing, and final delivery — we manage it all. With a single point of accountability, we simplify your supply chain and ensure seamless execution from concept to completion.You work with one partner, not a handful of vendors.
We can assemble a wide range of electronic components including resistors, capacitors, diodes, transistors, IC chips, connectors, and various other active and passive components.
Yes, we offer both through-hole assembly (THT) and surface mount technology (SMT) assembly, and can handle mixed-technology PCB assembly as well.
The turnaround time varies based on order size and complexity. Typically, it can range from a few days for prototype assemblies to several weeks for large-volume production.