Charles Tu

CEO, WCTech Inc.

Lead of the Card2Gold product team. Charles brings 15 years of experience as general counsel of an IPO company, directing cross-border (US / China / Taiwan) patent litigation and licensing — including the SanDisk ITC defense, cross-border NAND Flash disputes, and a three-state IPCam patent campaign in the US.

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Charles Tu — articles (49)

• What to Check After Getting a Taiwan Tax ID: A Guide to Company Registration Data (2026) Learn how to decode Taiwan company registry data using an 8-digit Tax ID to evaluate financial health, signatories, and business risks. July 28, 2026
• How to Verify If a Taiwan Company Is Trustworthy: A 7-Point Checklist How do you verify if a new Taiwan business lead is legitimate? Here is a practical 7-point due diligence checklist using free public government databases. July 23, 2026
• How to Check a Taiwan Company Before Doing Business: Complete Due Diligence Guide (2026) Learn how to verify a Taiwan business before signing contracts or shipping orders. Discover 5 key areas to inspect using free government databases. July 21, 2026
• Recommended Digital Sales Tools for Taiwan SMEs: How to Choose Across 5 Categories (2026) Discover the best digital sales tools for Taiwan SMEs categorized by sales workflow, from lightweight CRMs to AI email writers and e-signatures. July 14, 2026
• Should You Put a QR Code on Your Business Card? What the Data Says Adding a QR code to your business card seems modern, but do people actually scan them? Discover real-world B2B scan rates and design tips. July 14, 2026
• NFC vs. LINE Digital Business Cards: Which Is Best for Your Sales Team? (2026) Compare NFC business cards vs. LINE digital business cards: costs, sharing methods, offline access, and key use cases to help sales reps choose. July 14, 2026
• How to Convert Business Cards to Excel or CSV in One Click (2026) Convert stacks of business cards to Excel, CSV, or vCard fast. Compare manual entry, OCR apps, and AI tools to eliminate typing and bad formatting. July 14, 2026
• What is CRM? A Complete Guide to CRM Systems (Features, Pricing, and Excel Comparison) What is CRM, what does it do, and how does it compare to Excel? Learn the core concepts, 6 key features, and when your business needs a CRM. July 9, 2026
• What is an NFC Business Card? How to Make, Use, Pros & Cons, and Best Use Cases Learn what NFC business cards are, how they work, how to make one, and how they compare to QR code digital business cards to find your best fit. July 9, 2026
• How to Share a Digital Business Card on LINE: 3 Easy Methods Learn how to create and share a digital business card on LINE. Compare sharing LINE profiles, contact cards, and dedicated digital business card links. July 9, 2026
• What is an Electronic Business Card? How to Create & Share (2026 Guide) What is a digital business card, how does it compare to paper, and how do you create and share one? Here is your complete guide to electronic business cards. July 9, 2026
• CRM Data Cleaning Guide: How Much of Your Customer Database is Actually Trash? Duplicate contacts, outdated info, and blank fields drain sales productivity. Learn how to clean your CRM and build automated workflows to keep it clean. July 9, 2026
• Gemini vs ChatGPT vs Claude: Which AI Assistant Should Salespeople Use? (2026) Compare Gemini, ChatGPT, and Claude for business card scanning, email writing, and client analysis to find the best AI assistant for sales. July 7, 2026
• How to Write Your First Post-Trade Show Follow-Up Email: 5 High-Response Templates (2026) The first 24 hours after a trade show decide the fate of your leads. Use these 5 scenario-based B2B email templates to boost your response rates. July 2, 2026
• Time management for salespeople: balancing visits, follow-ups and prospecting A salesperson's biggest enemy isn't the competition — it's time. Three field-tested frameworks for allocating it. June 16, 2026
• How to look up a Taiwan company tax ID (uniform number): 5 free methods Beyond the Ministry of Economic Affairs registry, what other channels let you look up a company's uniform number? Five free methods compared. June 11, 2026
• Card2Gold vs WorldCard: Which business card tool should you choose? (2026) Card2Gold vs WorldCard (Penpower) compared point by point — Traditional Chinese OCR, desktop/offline use, company research, AI opportunity scoring, CRM and pricing. Full comparison table and buying advice. June 11, 2026
• Card2Gold vs Sansan: Which should Taiwan SMBs choose? (2026) Card2Gold vs Sansan compared — enterprise card sharing, Taiwan localization, AI opportunity development, CRM and pricing. Buying advice for Taiwan SMBs and salespeople. June 11, 2026
• Card2Gold vs Eight: Exchange cards, or develop customers? (2026) Card2Gold vs Eight compared — digital card exchange and networking vs AI opportunity development, company research and CRM. Helps you decide between a networking-first and a sales-development card tool. June 11, 2026
• Card2Gold vs CamCard: Which business card app should you choose? (2026) Card2Gold vs CamCard compared point by point — scanning, CRM, company research, AI opportunity scoring, outreach emails, localization and pricing. Full comparison table and buying advice for sales teams. June 11, 2026
• CamCard alternatives: 5 business card tools worth trying (2026) Five CamCard alternatives compared — from free pure scanning to AI opportunity development. Features, best-fit users and pricing to help you pick the right business card tool. June 11, 2026
• Are e-signatures legally valid in Taiwan? A 2026 guide What does Taiwan's Electronic Signatures Act require? Which documents can be signed electronically, and how do courts actually treat them in practice? June 9, 2026
• Customer Tiering in Practice: How to Apply ABC Analysis Not every customer deserves the same amount of your time. Use ABC analysis to focus your energy on the 20% of customers that matter most. May 27, 2026
• MOU vs NDA: What's the Difference and What to Know Before You Sign Understand the difference between a Memorandum of Understanding (MOU) and a Non-Disclosure Agreement (NDA), when to use each, and what to watch for before signing. May 25, 2026
• How to Write a Sales Report: The 5 Numbers Your Manager Actually Wants Stop writing diary-style sales reports. What your manager really wants to see is these 5 numbers plus 1 concrete action plan. May 23, 2026
• Google Contacts advanced tips: a salesperson's hidden-feature playbook Google Contacts isn't just for storing phone numbers. A hands-on guide to labels, merging duplicates, and importing/exporting like a pro. May 21, 2026
• Business email etiquette: Taiwan vs Japan vs the West The same email that reads as perfectly normal in Taiwan can feel rude in Japan. What to watch for in cross-cultural business email. May 19, 2026
• Why do so many Taiwanese SMEs fail at CRM? 5 common reasons You bought a CRM, but nobody uses it — the tool usually isn't the problem, the rollout is. Five typical traps for small and mid-sized businesses. May 17, 2026
• How to write personalized sales emails with AI: a 3-step guide Canned template emails sink without a trace. Personalized emails get far higher reply rates — here's how to use AI to slash the time cost of personalization. May 15, 2026
• 5 trade-show networking tips: get prospects to reach out to you first At a trade show, handing over a card isn't enough. Learn 5 tactics that keep your card on top of the pile — and get prospects reaching out first. May 13, 2026
• Kanban for sales pipeline management: from sticky notes to digital boards Kanban isn't just for software teams. A board makes your sales pipeline far more intuitive than a spreadsheet — here's how to run one in practice. May 11, 2026
• A New Sales Rep's First Month: The 30-Day Survival Guide The 5 mistakes new sales reps make most often, plus the 30-day action plan the veterans won't tell you about. May 9, 2026
• Digital vs. Paper Business Cards: Do You Still Need to Print Cards in 2026? Digital business cards keep gaining ground, but are paper cards really on their way out? A look at the pros, cons, and best-fit scenarios for each. May 8, 2026
• 7 Golden Rules of Business Card Design: Make People Keep Your Card, Not Toss It Good business card design isn't just about looking nice — it's about being remembered. 7 practical design rules plus what to avoid, so your card survives past day one. April 27, 2026
• How to Check Taiwan Court Records: Due Diligence Before Doing Business With a Taiwanese Company A step-by-step guide to using Taiwan's free Judicial Yuan judgment search to check a company or individual's litigation history, with practical tips to reduce your risk. April 25, 2026
• AI OCR vs Traditional OCR: Why Business Card Scanning Needs AI From Tesseract to Google Gemini — how traditional OCR and AI OCR compare on business card accuracy, and why free-form layouts break older engines. April 23, 2026
• The B2B Salesperson's LinkedIn Playbook: Building a Professional Presence From Scratch LinkedIn isn't just for job hunting — it's a serious B2B prospecting channel. A practical guide from profile setup to active outreach, written for real sales teams. April 21, 2026
• CRM Automation for Beginners: 4 Reminder Rules So You Never Forget a Customer Set up automatic follow-up reminders, overdue-task alerts and pipeline-stagnation warnings so your CRM works for you — a plain-English starter guide for busy sales reps. April 19, 2026
• How Often Should You Follow Up? Stay Top of Mind Without Being a Pest Follow up too much and it feels like harassment; too little and you're forgotten. A practical framework for tuning follow-up frequency to each customer's temperature. April 17, 2026
• The Complete Trade Show SOP: 10 Steps From Prep to Closed Deal A trade show is more than those three days. Pre-show prep and post-show follow-up are what actually decide the outcome. Here's a complete 10-step SOP. April 16, 2026
• The golden 72 hours after a trade show: a complete SOP for turning cards into orders The 72 hours after a trade show decide whether you close. This complete post-show follow-up SOP covers grading cards, writing follow-up emails and managing them in a CRM, so you can turn event spend into real orders. April 13, 2026
• The 2026 Taiwan Trade Show Calendar: Must-Attend Expos for Salespeople A roundup of Taiwan's major 2026 trade shows — dates, venues and industries — with a pre- and post-show SOP and links to official schedules so you can plan your season early. April 13, 2026
• The best CRM for Taiwan SMEs: 8 tools compared for sales, PMs and small teams A hands-on comparison of 8 CRMs — HubSpot, Zoho, Salesforce, ORDERLY, ScanCRM, Ragic, Bitrix24 and Card2Gold. Localization, LINE integration, card digitization, pricing and who each is for, with a comparison table and buying advice. April 13, 2026
• How to check a Taiwanese company's background: a 5-minute GCIS guide A step-by-step guide to looking up capital, directors and business scope on Taiwan's government business registry (GCIS), plus our field-tested search tips and a pre-meeting checklist. Essential homework before any sales visit. April 13, 2026
• A sales pipeline PMs can use too: track vendors in four stages A sales pipeline sounds like a salesperson's tool, but a PM explains why the same four stages work just as well for tracking vendor evaluations. A PM's pipeline doesn't track revenue — it tracks when resources fall into place. April 13, 2026
• A PM's inbox test: which cold emails get deleted on sight? A product manager who gets a dozen cold sales emails a day breaks down which ones get deleted instantly, which get saved, and which actually earn a reply. An insider's view every salesperson should read. April 13, 2026
• How to choose a business card scanner app: 6 major tools compared (CamCard / WorldCard / Eight / Card2Gold) Business card scanner apps compared — CamCard, Penpower WorldCard, Eight, Sansan, and Card2Gold. OCR accuracy is table stakes now; the real difference is what happens after the scan — sorting, opportunity scoring and follow-up. With buying advice and a comparison table. April 13, 2026
• The Complete Guide to Business Card Management (2026) A practical guide to digitizing business cards. Compare 5 methods — from manual filing to AI automation — and find the workflow that turns cards into deals. April 13, 2026
• How AI Saves Sales Reps Time: 5 Real Use Cases From card scanning and opportunity scoring to outreach emails and company background checks — 5 practical ways AI is changing the sales rep's daily grind, plus how to choose the right tools. April 13, 2026