Blockchain Development Company_Hong Kong Longlian Wallet DApp Exchange Systems

About HK DragonChain

Innovation Driven by Technology · Trust Secured by Safety · Empowering Enterprises for a Web3 Future

About Us

Professional Blockchain Development Service Provider

HK DragonChain, headquartered in Shenzhen's Longhua District, is a technology company dedicated to blockchain R&D and application. With a strong focus on technical innovation, we provide global enterprises with end-to-end blockchain solutions—from requirements analysis and system design to development, testing, and launch maintenance.

Based in Hong Kong with a global reach, HK DragonChain is deeply rooted in the Web3 ecosystem. Leveraging Hong Kong's advantages as an international financial hub and its compliance-friendly environment, we have assembled a team of senior technical experts from leading tech companies such as Huawei and Tencent. Our team has extensive experience in blockchain infrastructure, smart contracts, digital asset wallets, trading systems, and decentralized applications.

Blockchain Dev Smart Contracts Web3 Wallets Exchange Systems NFT / DApps

HK DragonChain

Hong Kong DragonChain

HQ · Shenzhen Longhua
Focus · Full-Stack Blockchain Dev
Mission · Making Blockchain Technology Truly Actionable

Services

Core Services

Covering L1/L2 infrastructure, application layer, contract layer, wallet layer, and backend operations

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Blockchain Development

Blockchain system development, DApp development, anti-counterfeit traceability, and digital copyright systems

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Wallet Systems

Web3 wallets, multi-currency wallets, decentralized wallets, and exchange wallets

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Exchange Systems

Crypto exchanges, spot trading systems, futures exchanges, and OTC trading systems

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DApp / NFT

DApp development, smart contract development, NFT platforms, and RWA asset systems

Advantages

Technical Advantages

Full-Stack Capability · Security-First · One-Stop Delivery

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Full-Stack Capability

End-to-end development from public/mainnet chains to application-layer systems, with custom solutions tailored to enterprise business requirements.

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Security & Compliance First

Multi-layer security, permission grading, risk control strategies, and audit mechanisms. Supports hot/cold wallet segregation, multi-sig authorization, abnormal transaction monitoring, and data backup.

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One-Stop Service

Full-service lifecycle from requirements analysis, system design, development, and testing to launch and maintenance—ensuring systems meet current needs while enabling future expansion.

Project Experience Coverage

Digital Asset Wallets Order Matching On-Chain Asset Mgmt RWA / Points Tokens NFT Digital Credentials Anti-Counterfeit Digital Copyright Enterprise Data On-Chain

Experience

Project Experience

Serving Clients Across Industries · Covering Core Web3 Scenarios

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Startup Projects

Building from MVP to validate business models and user needs, enabling faster blockchain adoption with lower costs.

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Mature Projects

Feature upgrades, contract enhancements, API optimization, and backend reinforcement for continuous architectural evolution.

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Enterprise Transformation

Integrating blockchain capabilities—such as on-chain attestation, traceability, digital copyright, and loyalty points—into existing business systems.

Contact Us

HK DragonChain is headquartered in Shenzhen's Longhua District — we welcome your inquiries.

📍 Longhua District, Shenzhen 📧 contact@hklonglian.com 📞 +86 18002521995