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Specialized in SMT Assembly and PCBA Manufacturing

15 years of dedicated SMT assembly expertise for computer peripheral PCBA (mechanical keyboard PCBs, custom keyboard control boards) | 0.02mm-level precision control for SMT placement of peripheral core components (BGA chips for keyboard main control, QFP chips for keyboard function control) | Full-process SMT delivery for computer peripherals (from prototype to mass production: small-batch PCBA sampling for custom keyboards → high-speed mass production for mechanical keyboards)

From "PCB design assistance → material procurement → SMT placement and soldering → testing and assembly"

A national high-tech enterprise specialized in SMT assembly and PCBA manufacturing.

We always adhere to "precision manufacturing as the foundation, customer value as the core", focusing on "small-batch quick response" and "large-batch stable quality" demands in the electronic manufacturing industry. We offer one-stop PCBA solutions covering "PCB design assistance → material management → SMT placement & soldering → testing & assembly" for clients in four key sectors: consumer electronics, automotive electronics, industrial control, and medical electronics, and aim to be clients’ "most trusted PCBA partner".
 
We have a 600㎡ Class 10000 clean workshop, 3 intelligent production lines, and imported equipment: Yamaha high-speed SMT placement machines (YS12/YS24), KIC thermal profilers, and Omron AOI (Automatic Optical Inspection) machines. We hold ISO9001 (general manufacturing), IATF16949 (automotive electronics), and ISO13485 (medical electronics) certifications, with full-process compliance to standardized SOP (Standard Operating Procedure) practices. With a monthly SMT placement capacity of 5 million points, we support small-batch pilot production (minimum 50-piece order) and large-scale mass production (over 100,000 pieces)!

Providing high-reliability PCBA solutions for consumer electronics & automotive electronics & industrial control, boasting a 99.9%+ yield rate while cutting customers' mass production cycles by 30%.

Zhuhai Hengcang commercial keyboard production—SMT soldering for circuit boards (stable signal guarantee)
Zhuhai Hengcang SMT material preparation—ROHS-compliant SMD components for keyboard circuit boards
Zhuhai Hengcang SMT post-welding inspection—worker checking SMD soldering on e-sports keyboard PCBs
Zhuhai Hengcang SMT AOI inspection—detecting soldering defects on commercial keyboard circuit boards (no missing/skewed components)

Core Concept: What is a "One-Stop PCBA Solution"?

Before launching our one-stop PCBA service, we first clarify the core definition of "One-Stop PCBA" — PCBA (Printed Circuit Board Assembly) is a collective term for "PCB manufacturing, component mounting, and finished product assembly". The "one-stop" PCBA model means full-process service coverage from "customer demand connection" to "finished product delivery and after-sales service", eliminating the need for customers to coordinate with multiple suppliers (e.g., separate PCB factories, SMT factories, and testing institutions). It truly delivers a closed-loop service of "demand submission → solution implementation → finished product delivery" and solves customers' pain points of "multi-party communication, cumbersome processes, and dispersed responsibilities".


With "precision manufacturing + flexible PCBA services" as our core advantage, we turn every PCBA into a reliable cornerstone for customers' electronic products.

Close-up of Zhuhai Hengcang SMT—placing chip resistors/capacitors on e-sports keyboard circuit boards

Our Philosophy

With precision manufacturing as the foundation and customer needs as the guide, we adhere to the standards of "high yield rate, fast delivery, and strong adaptability," provide targeted reliable SMT/PCBA solutions, empower customers to reduce costs and increase efficiency, and jointly build core product competitiveness.
 
Focus on in-depth development of SMT placement technology, take ±0.02mm-level precision control as the bottom line, and use "automotive-grade and industrial control-grade" quality standards as the benchmark. We offer needs-tailored flexible services, making every PCBA a reliable cornerstone of customers' products.
 
Regard customer success as our responsibility, focus on the full-process pain points of SMT/PCBA, and through "precision placement + intelligent management + cost optimization," achieve "fast response for small batches and stable delivery for large batches." We conduct collaborative innovation with customers to jointly drive the efficient development of the industry.

About Us: Breaking Down Why You Should Choose Us

As a key link in computer peripheral manufacturing (e.g., mechanical keyboards), SMT (Surface Mount Technology) is critical for ensuring quality stability of core components like mechanical keyboard PCBs and keyboard main control boards.
 
We have a professional SMT team specializing in computer peripheral electronic components—such as mechanical keyboard circuit chips and keyboard function modules—and their mounting needs. The team can accurately configure mounting parameters and optimize SMT processes based on different product requirements, including mechanical keyboard PCB assembly and keyboard core board processing.
Cleanliness Class: Class 10000 (meets cleanliness standards for medical electronics & automotive electronics), with a constant temperature of 23±2℃ and humidity of 45±5%. This controlled environment effectively avoids dust interference on SMT component placement, ensuring the precision of PCB assembly for high-demand scenarios.
 
Production Line Configuration: 3 intelligent SMT production lines (2 high-speed lines + 1 medium-speed line). Each line adopts a complete workflow: "screen printer → SMT placement machine → reflow oven → AOI inspection". High-speed lines support large-batch production of standard products, while medium-speed lines are optimized for small-batch custom PCB processing.
 
Qualification Certifications (Aligned with Industry Requirements)
 
  • ISO9001:2015 (General Manufacturing Quality Management System) – ensures stable quality throughout the entire SMT/PCBA process
  • IATF16949:2016 (Automotive Electronics-Specific Certification) – meets strict automotive-grade reliability and durability requirements
  • ISO13485:2016 (Medical Electronics-Specific Certification) – complies with rigorous cleanliness and traceability standards for medical device PCBs
  • RoHS 2.0/REACH – adheres to EU environmental regulations, restricting the use of hazardous substances in electronic components
Close-up of Zhuhai Hengcang SMT—placing chip resistors/capacitors on e-sports keyboard circuit boards
We provide full-process electronic manufacturing OEM services for computer peripheral clients (e.g., mechanical keyboard, gaming mouse, gaming headphone brands)—covering "PCB design support (such as mechanical keyboard PCB layout optimization), component procurement (including core parts like Cherry MX switches for mechanical keyboards and sensors for gaming mice), SMT placement production (for peripheral PCBA boards), finished product inspection (e.g., gaming headphone function testing), assembly (such as mechanical keyboard keycap mounting), and packaging".
 
Our focus is on solving core production pain points for peripheral brands, including "lack of dedicated production lines for mechanical keyboards/gaming mice, insufficient SMT technical capabilities for peripheral PCBA, and challenges in controlling gaming peripheral manufacturing costs".
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PCBA assembly equipment

Our company owns advanced SMT equipment specialized in computer peripheral production (mechanical keyboards, gaming mice, gaming headphones)—including high-speed Yamaha surface mount machines (e.g., YS12/YS24), precision reflow soldering machines, and AOI inspection equipment. These devices enable high-speed, high-precision placement of small electronic components for computer peripherals, such as mechanical keyboard PCB chips and gaming mouse sensor modules.
 
Whether for large-scale production (e.g., batches of RGB gaming mechanical keyboards) or customized production (e.g., PCBA for office mechanical keyboards), we provide stable, reliable SMT solutions tailored to the specific needs of computer peripheral manufacturing.
Solder Paste Printer
Zhuhai Hengcang SMT AOI inspection—detecting soldering defects on commercial keyboard circuit boards (no missing/skewed components)
AOI optical inspection
Zhuhai Hengcang SMT—simultaneous placement for e-sports & commercial keyboard circuit boards (flexible production)
High speed SMT machine
Zhuhai Hengcang SMT reflow oven—soldering SMD components on commercial keyboard circuit boards (lead-free process, ROHS compliant)
Nitrogen reflow soldering

We provide flexible collaboration models, including "small-batch trial production + on-demand scaling" for startup clients.

One-Stop Computer Peripheral OEM/ODM Manufacturing Provider – Offering Full-Process PCB Design, SMT Placement, Assembly & Packaging, Helping Clients Cut 10% on Mechanical Keyboard/Gaming Mouse/Gaming Headphone Manufacturing Costs

Qualified Zhuhai Hengcang mechanical keyboard for gaming/commerce (FCC-certified, stable performance)

We have mature electronic component supplier networks (covering passive components, IC chips, connectors), ensuring we can secure competitive high-quality quotes for components in customers' BOM lists. Additionally, we can offer alternative electronic component solutions that meet performance standards to help cut costs and shorten production lead times.

Zhuhai Hengcang SMT reflow oven—soldering SMD components on commercial keyboard circuit boards (lead-free process, ROHS compliant)

Our SMT lines deliver efficient, accurate SMT placement (Surface Mount Technology) and DIP insertion (Dual In-line Package), monitor production via MES (Manufacturing Execution System), support real-time data collection, analysis & integration, and offer three-proof coating (anti-moisture, anti-corrosion, anti-mildew) for PCBA — all to meet diverse PCBA needs.

Zhuhai Hengcang e-sports keyboard R&D—switch durability test (50M+ presses verification)

We are capable of conducting targeted electrical performance testing, aging testing, and reliability testing for PCBA products strictly in accordance with customer customized specifications. We also provide professional assistance to customers with respect to a full range of product certifications like CE, FCC, and RoHS.

Zhuhai Hengcang e-sports keyboard production—mechanical switch automatic installation (tactile consistency control)

We can assist customers with laser engraving (for computer peripheral parts like mechanical keyboard casings), structural component assembly (e.g., PCB bracket installation), and finished product assembly. By integrating these multi-link manufacturing support, we streamline their computer peripheral management processes and reduce overall product costs in peripheral production.

For computer peripheral SMT production—focused on mechanical keyboards, gaming mice, and gaming headphones—we have introduced imported professional equipment, including:
 
  • Yamaha high-speed SMT placement machines: Designed for efficient placement of peripheral PCBA components, such as mechanical keyboard PCB chips and gaming mouse sensor modules, to meet high-volume peripheral production needs.
  • KIC thermal profilers: Specialized in optimizing reflow soldering temperature curves for peripheral PCBs, e.g., fine-tuning curves for gaming headphone motherboard soldering to ensure stable solder joints.
  • Omron AOI (Automatic Optical Inspection) machines: Used for precise defect detection of peripheral PCBA solder joints, like checking mechanical keyboard PCB solder joints to reduce rework rates.
 
Our SMT lines are also equipped with three core support systems:
 
  1. MES (Manufacturing Execution System): Monitors production data in real time (including placement yield rate and equipment status) and enables full traceability of production records for each peripheral PCB, ensuring production transparency.
  2. Intelligent Temperature Control System: Customizes reflow soldering profiles based on different solder paste types, keeping the welding void rate of precision chips (e.g., BGA chips on gaming mouse PCBs) ≤ 5% to meet peripheral PCBA precision requirements.
  3. Clean Workshop: Features a Class 10000 clean environment, which meets high cleanliness standards for fields like medical/automotive electronics and avoids dust interference on peripheral PCBA soldering.

1. SMT Placement & Soldering Services (Full SMT Processing Flow for Computer Peripherals)

Offering end-to-end SMT processing tailored for computer peripheral PCBA (mechanical keyboards, gaming mice, gaming headphones), covering placement needs of all electronic components for peripheral production:
 
  • Complete SMT processing flow for peripherals: Custom laser stencil printing (for precise solder paste application on mechanical keyboard/gaming mouse PCBs) → 3D SPI (Solder Paste Inspection) (detects solder paste volume/shape defects to avoid rework) → high-speed/precision component placement → reflow soldering (temperature-controlled via KIC thermal profilers for stable peripheral PCB solder joints) → post-soldering visual inspection.
  • High-speed placement for common peripheral components: Handles parts like mechanical keyboard PCB power resistors and gaming mouse circuit capacitors at 30,000 points per hour. Supports ultra-small 01005 package sizes, ideal for compact designs of wireless gaming keyboards/mice.
  • Precision placement for core peripheral chips: Achieves ±0.02mm precision for chips like mechanical keyboard main control BGA chips and gaming headphone audio QFP chips. Compatible with 0.3mm pin pitches, ensuring reliable signal transmission for peripheral functions.
  • SMT process guarantees for peripherals: Eliminates cold solder joints and solder bridges—critical issues that cause functional failures (e.g., unresponsive mechanical keyboard switches or faulty gaming mouse sensors).

2. One-Stop PCBA Manufacturing (Integrated SMT for Computer Peripherals)

Providing full-chain support from PCB design to finished peripheral delivery, with SMT processing as the core mid-stage link for peripheral production:

Front-End Support (Peripheral-Specific Prep)

  • DFM (Design for Manufacturability) analysis: Targeted for peripheral PCBs (e.g., optimizing wireless gaming keyboard PCB layout to improve SMT compatibility and reduce production errors).
  • BOM optimization & alternative component recommendations: Cuts peripheral procurement costs by 10%-15% while ensuring component quality (e.g., recommending cost-effective alternatives to original gaming mouse sensors).

Mid-Stage: Core SMT Processing + Extended Peripheral Support

  • Component preparation: Client-entrusted procurement (e.g., Cherry MX switches for mechanical keyboards, high-sensitivity gaming mouse sensors) or processing with client-supplied materials.
  • SMT processing for peripherals: Custom laser stencil printing → 3D SPI inspection → Yamaha high-speed/precision placement (tailored for peripheral component mounting) → reflow soldering → AOI preliminary inspection (catches defects early for mechanical keyboard/gaming mouse PCBs).
  • Post-SMT protection: Conformal coating (moisture/corrosion resistance) for PCBs used in medical, industrial, or outdoor peripherals.

Back-End: Testing & Assembly for Finished Peripherals

  • Functional testing: ICT (In-Circuit Test) and FCT (Functional Circuit Test, e.g., verifying mechanical keyboard key response speed, gaming mouse sensor accuracy).
  • Reliability testing: Burn-in testing to screen out early failures of peripheral PCBs.
  • Finished assembly: Mechanical keyboard keycap mounting, gaming mouse shell assembly, and other peripheral-specific assembly steps.

3. Specialized Testing Services (SMT Quality Verification for Peripheral PCBA)

Comprehensive quality checks covering SMT-processed peripheral PCBA and finished products, ensuring SMT process reliability for peripheral performance:

SMT Post-Placement Inspection for Peripherals

  • AOI (Automatic Optical Inspection): Detects SMT defects (missing components, misalignment, solder bridges) on mechanical keyboard/gaming mouse PCBs, reducing manual inspection errors and improving production efficiency.
  • X-Ray inspection: Examines hidden solder joints of SMT-mounted BGA chips (e.g., gaming headphone main control chips) to eliminate invisible soldering issues (e.g., voids, cold joints) that affect peripheral functionality.

SMT Component Reliability Testing for Peripherals

  • Temperature cycle testing (-40℃~85℃): Validates stability of SMT-soldered components (e.g., mechanical keyboard PCB chips) under extreme temperatures, preventing function loss in cold/hot usage environments.
  • Vibration testing: Ensures SMT-mounted parts (e.g., gaming mouse sensor modules) stay secure during transportation, avoiding loose components and post-delivery failures.
  • Salt spray testing: Verifies corrosion resistance of SMT-processed PCBs for outdoor/industrial peripherals, extending product lifespan in harsh environments.

Certification Support for Peripheral Markets

Assists clients in providing SMT process quality data (e.g., solder joint reliability reports, defect rate statistics) for product certifications like CE (for European peripheral sales), FCC (U.S. market compliance), and UL (global safety standards for electronics).

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Zhuhai Hengcang e-sports/commercial keyboard packaging/shipment (eco-friendly material, ready for global delivery)

“We will earn your trust with professionalism, quality, and sincerity. My team and I would be pleased to meet with you (either in person or via video call) to learn about your business, needs, and expectations. Please let us know a time that works for you.”