Zero Defects,
Make Your Electronics Stand out
Be Reliable
PCB manufacturing and assembly manufacturer

We are committed to making our Printed circuit board manufacturing and assembly products zero
defect and can return or exchange them for you without any reason.

We’re in the business of helping you grow your business.

QUOTE NOW

Fill in your requirement information and upload Gerber and BOM files, we will give you a quote as soon as possible.

Choose Keepbest Just the Beginning

Choose Keepbest to Accelerate Your Electronics Vision Realization

We help companies become profitable from design to manufacturing. Keepbestprovides full turnkey PCB manufacturing and assembly, testing, and refining your ideas quickly and cost. Effectively, ensuring you achieve the results you need.

Reasons for low cost andhigh quality

Reasons For Low Cost And High Quality

Thai factories have lower labor costs, 25% lower import tariffs, Keepbest has extensive experience, and the quality is the same as North American manufacturers.

Manufacturing OnDemand.Instant Quotes

Manufacturing On Demand.Instant Quotes

Get quotes and place orders around the clock with full visibility,Our qualityteam ensures flawless results.

Dedicated programmanagement

Dedicated Program Management

Your success is our success. Count on our engineers and specialists to support you every step of the way.

No-questions-askedreturns

No-questions-asked
returns

Are you waiting for a reliable PCBA partner? In 2024 we became the only company that dared to offer no questions-asked returns.

What We Offer

Full Turnkey PCB Manufacturing and Assembly Services

Keep Best PCB Assembly Co., Ltd is a printed circuit board manufacturing and assembly manufacturer integrating component procurement/SMT/DIP/finished product assembly and testing.

Free DFMA Service

We provide comprehensive DFMA services, including  manufacturability analysis, etc.

PCB Design Service

We have many years of PCB design experience and can meet the various needs of our customers.

PCB Manufacturing

We conduct strict quality control on the manufacturing process to ensure product quality.

Components Purchasing

We have an extensive network of suppliers to ensure you get all the components you need.

PCB Assembly Service

We provide one-stop PCBA services, including design, manufacturing, testing and assembly. 

Assembly Test

Our assembly testing services cover all aspects to meet your different testing needs.

PCB Fabrication Capability

  • Surface Treatment Process Capability: Tin lead /Leadfree HASL、Flash Gold、ENIG、OSP、Immersion Tin / Silver、Hard Gold.
  • Selective Surface Treatment Process Capability: ENIG+OSP,ENIG+Gold Finger,Gold Finger+HASL,Flash Gold+Gold Finger,Immersion Silver+Gold Finger,Immersion Tin+Gold Finger.
  • Layer Count:Layer 0-30 (≥26 Layers needs Review)
  • Bow and Twist(%):0.75(≤0.5needs Process Review)
  • Min finished size(mm):10*10mm
  • Max finished Size (≥4L,mm):450*900mm
  • Multi-press for Blind/Buried Vias:Multi-press Cycle≤4 times(Needs review for 2 cycles pressing)
  • Max finished Size (Double Sides,mm):450*1450mm
  • Finished Board Thickness(mm):0.30-3.0(≤0.3mm Needs Review),≤0.5mm for HASL
  • Finished Board Thickness Tolerance(≤1.0mm,mm):±0.1
  • Finished Board Thickness Tolerance(>1.0mm,mm):Material Thickness±10%
  • Unspecified Finished Board Thickness Tolerance(No stack up requirements,mm):Multilayer:≤2.0mm can±0.1;2.0-3.0mm can±0.15;≥3.0mm can±0.2;Double Sides+/-10%
  • Peel Strength(N/cm):7.8
  • Flammability:94V-0
  • Ionic Contamination(ug/cm²):≤1
  • Min Dielectric Thickness(mm):0.075(only for HOZ Base Copper) / 1OZ if copper ground area >80%
  • Impedance Tolerance(%):±5Ω(<50Ω),±10%(≥50Ω);≥50Ω±5%(Needs Review)
  • Material Type
    ①High Tg Material:Shengyi Tg>170℃ ;ITEQ 180 ;KB6168
    ②Impedance Control Material(Others need Review):FR-4,FR-4 HighTg Series
    ③RCC Material(Needs Review):Copper foil thickness 12um,Dielectric Thickness 65,80,100um (After Pressing 55,70,90um)
  • Prepreg Type
    FR-4 Prepreg、LD-1080(HDI):7628; 2116; 1080; 3313; 106.
  • Copper foil 
    Copper Foil(um):12,18,35,70,105,140,175.

Choose Keep Best PCBA

Choose Keep BestPCBA! Our top-notch team ensures every step of your PCB assembly is seamless and dependable. With us, you’ll enjoy peace of mind knowing your electronics are in expert hands, leading to flawless results every time. Let’s make your next project a breeze!

Years of Experience
0 +

Who We Are

We provide
the best PCB Manufacturing And Assembly Services

One - stop Printed circuit board assembly Solution provider

Keep Best PCB Assembly Co., Ltd serves many well-known brand customers in industrial control, security, medical, Internet of Things, automotive, artificial intelligence, smart home, power and communications industries at home and abroad.
The company continues to be customer-centric, improves the level of digital intelligence, and is committed to meeting continued high-quality customer needs.
In 2024, we put forward the quality requirements of “zero defects, support for no-reason returns and exchanges” that challenge the limits of the industry, and strive to provide customers and partners with the highest quality products and services in the industry, and assist customers in business success.

Don’t Just Take Our Word For It.

Hear It From PCB&PCBA Manufacturer by 500+ Successful Partners.

Act now, choose the right supplier, and reduce your trial and error costs.

Choose keepbest and save 25% of the cost immediately!

Chelsea Purchasing Director

I am very satisfied as a customer of Keepbest Company. Their PCBA products are of excellent quality, with prompt delivery and considerate service, making them a trustworthy partner.

Customer pictures-1
John Doe CEO

Keep Best has been our trusted PCB and PCBA supplier for over five years. Their products are of exceptional quality, and their customer service is impeccable. We highly recommend them to anyone looking for a reliable and experienced PCB manufacturer.

Customer pictures-3
Jane Smith Purchasing Manager

We have been working with Keep Best for the past three years, and we have been consistently impressed with their professionalism and dedication to quality. Their PCBs and PCBAs are always delivered on time and meet our exact specifications. We highly recommend Keep Best to any company looking for a reliable and high-quality PCB supplier.

FAQ

如果您要下达全委托组装订单,请提供:

Gerber 文件
BOM(.xls、.xlsx)
拾取和放置文件(.xls、.xlsx、.txt、csv)
制造和装配图
Readme.txt 文件

客户可以在结账时选择行业领先的货运公司,包括 FedEx、UPS 和 DHL。每次购买时都会自动提供所有相关的运输和跟踪信息,包括空运提单号。

1.如需本地维修,我们承担维修费用。
2.如同意返厂维修,我们承担物流及维修费用。
3.如不同意维修,
我们将为您更换全新商品。
4.如不同意维修及更换,
我们将退款给您。

 

我们主要致力于“多品种、中小批量、短交期”的高品质PCBA服务

小批量 PCBA 组装可以提供较高的周转时间,而不会导致 PCBA 板积压在大量不可用的库存中。

我们的预计交货时间从您下订单的第二天开始,具体取决于您的交钥匙 PCB 组装要求的数量和复杂性。

完整的交钥匙 PCB 组装服务具有多种优势,包括易于管理、小批量或大批量组装、多种服务、快速交货时间等等!

提供交钥匙 PCB 组装服务意味着供应商将处理所有任务,包括组件或零件采购、制造、组装和最终交付!

当然,我们拥有先进的设施和设备来处理大量的 PCB 订单。此外,我们拥有一支 PCB 专家团队,他们在满足大批量 PCB 生产方面拥有丰富的经验。

send a masseage

Fill in your requirement information and upload Gerber and BOM files, we will give you a quote within 24 hours.

Get A quote

Fill in your requirement information and upload Gerber and BOM files, we will give you a quote within 24 hours.

Get A Quote

Fill in your requirement information and upload Gerber and BOM files, we will give you a quote within 24 hours.

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