Custom Calculator Manufacturer in China Since 1999

With 20+ years of experience, Bestloffice has delivered high-quality custom calculators and OEM services to over 3,000 clients across 42+ countries. Trusted by global brands like Coca-Cola, Walmart, Huawei, and Philips.

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20+

Years Experience

3,000+

Global Clients

42+

Countries Served

600K+

Units/Month Capacity

About Bestloffice

Founded in 1997, Bestloffice is a leading electronic calculator manufacturer based in Shenzhen, China, with over 20 years of specialization in calculator design and production. We operate an 8,000 sq.m facility with a monthly production capacity of over 600,000 units.

Our product range includes desktop calculators, scientific calculators, pocket calculators, and promotional calculators. We serve global brands such as Deli, Casio, Coca-Cola, Tesco, Huawei, Philips, and Walmart.

ISO9001-2000 Certified Quality System

Independent R&D Team with 5+ Years Experience

4 Automated Production Lines

260+ Skilled Workers & Engineers

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Featured Calculator Categories

We offer a wide range of calculators tailored for office, education, retail, and promotional use.

Desktop Calculator

Ideal for office and accounting use with large displays and durable keypads.

Scientific Calculator

Advanced functions for students, engineers, and professionals.

Pocket Calculator

Compact and portable, perfect for on-the-go calculations.

Promotional Calculator

Custom-branded calculators for marketing and corporate gifts.

Our Popular Models

High-quality calculators with customization options for branding and functionality.

BTL-331

12-digit Dual Power Portable Calculator

• Solar + Battery Powered
• Compact & Lightweight
• Ideal for students and office use

BTL-627

12-Digit Large LCD Desktop Calculator

• Extra-large display
• Dual power (solar + battery)
• Anti-slip rubber feet

BTL-318

12-Digit Small Desktop Calculator

• Space-saving design
• Quiet keypress
• Perfect for tight desks

BTL-212

12-Digit Black Desktop Calculator

• Sleek black finish
• Durable ABS plastic
• Classic design

BTL-120TV

12-Digit Solar Office Calculator

• 100% solar-powered
• Eco-friendly operation
• Low-light performance

BTL-421

12-Digit Red Office Calculator

• Vibrant red color
• Eye-catching design
• Great for promotions

BTL-122

12-Digit Simple Desktop Calculator

• Minimalist design
• Easy-to-use interface
• Reliable performance

BTL-215

12-Digit Standard Desktop Calculator

• Balanced size & function
• Dual power option
• Best seller model

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Why Choose Bestloffice?

We combine quality, experience, and customer service to deliver the best OEM calculator solutions.

Long History

Over 20 years of experience in calculator manufacturing with a proven track record.

High Quality

Defective rate under 0.03% in the past 3 years. Full ISO9001 compliance.

Competitive Price

Factory-direct pricing with no middlemen. Lowest MOQ in the industry.

Fast Delivery

45–60 working days lead time. Air and express shipping available.

4 Steps to Your Custom Calculator

From idea to delivery in just four simple steps.

Choose Calculator Type

Select from desktop, scientific, pocket, or promotional models.

Confirm Size & Function

Customize dimensions, buttons, display, and features.

Fix Design File

Provide logo, colors, and packaging design for approval.

Confirm Sample

Review physical sample before mass production.

Get a Custom Quote Now

Frequently Asked Questions

Are you a trader or manufacturer?

We are a leading calculator manufacturer in Shenzhen, China, with over 20 years of specialization in calculator manufacturing and design.

What types of personalized calculators do you offer?

We offer desktop, pocket, scientific, promotional, tax, printing, and Bluetooth calculators. Custom functions are also available.

Can I customize calculators with my brand?

Yes! We support full OEM/ODM services including logo printing, custom packaging, color, and functional modifications.

What is your MOQ?

Our minimum order quantity is 500 pieces per model.

How long does production take?

Typically 45–60 working days, depending on order size and customization level.

Do you accept third-party inspections?

Yes, we fully support third-party quality inspections as per your requirements.

Get in Touch

Reach out to us for quotes, samples, or partnership opportunities.

Company: Newsunda Industries Co., Limited

Address: No.1 Road, Nanwan Street, Longgang District, Shenzhen, China

WhatsApp: +86 18028670221

Email: [email protected]

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