Mini Programs / Apps / Websites / Desktop Apps / Hardware Integration

From AI applications to business systems, full-stack technical delivery.

From AI Applications to Business Systems — Full-Stack Delivery

The same standard for projects of every size; every line of code written to delivery specs.

Website
www.welltuo.com
Founded
2021
Based in
Longgang, Shenzhen, China

Full-stack Products & Systems

What We Build

From customer-facing apps to admin systems and hardware terminals

Websites

Corporate site / E-commerce / SaaS

Mini Programs

WeChat / Alipay

Apps

iOS / Android native or cross-platform

Desktop Apps

Windows / macOS clients

Admin Systems

Backend / Dashboard / Data views

Hardware & Integration

Kiosks / IoT devices / APIs / third-party services

AI + Business Systems

AI-Powered Business Systems

Connect models, knowledge bases and existing systems so AI can perform useful work in real workflows.

  • Model integration matched to business scenarios
  • Private knowledge bases with permission boundaries
  • Connected to existing systems and hardware terminals

Knowledge Base & Q&A

Turn product materials, SOPs, FAQs and internal documents into searchable knowledge.

AI Service & Sales Assistant

Handle first contact, qualify leads and suggest responses, then hand off to people when needed.

Intelligent Document Processing

Read contracts, receipts and forms, then extract key information into business systems.

Workflow & Device Integration

Connect AI to back-office systems, approvals, messages, kiosks and device terminals.

Standard Module Library (battle-tested)

How We Deliver: Software Production Line

Proven modules enable rapid composition and delivery; complex needs receive deep custom development.

Standard Module Library (battle-tested)

Composable capabilities for identity, commerce, growth, fulfillment, content and data

Users & Auth

Login & Sign-up WeChat Auth SMS Verification Roles & Permissions Membership Multi-device Login

Payments

WeChat Pay Alipay Wallet Coupons Refunds & After-sales Invoices

Growth

Group Buying Flash Sales Referral Points Store New-user Gifts Spend-threshold Deals

Stores & Orders

Multi-store QR Ordering Bookings & Queue Order Management Inventory Warehouse Delivery Table Management

Content & Social

Community Instant Messaging Live Streaming Short Video Content CMS Comments & Likes

Data & Admin

Admin Console Data Reports Push Notifications Log Monitoring Permission Audit

Growth Ops

SMS Notifications Email Marketing Support Tickets Data Export

Enterprise Services

WeCom Integration DingTalk Integration Feishu Integration SSO OA Collaboration

Common Capabilities

i18n / Multi-language Multi-tenancy Scheduled Tasks Approval Flows Data Dictionary Theme Customization

Start after requirements confirmed, plan aligned first, no rework

Live kanban sync, delivery by milestones, always visible

Source code & tech handover, free fixes for quality issues

From confirmed scope to technical handover, the rules stay clear and progress stays visible.

Delivery Assurance

Project Board Updates

Weekly updates keep requirements, development, testing and launch progress visible end to end.

Complete Source Delivery

We hand over source code, database and deployment documentation without lock-in.

Build After Scope Confirmation

We confirm scope before development and assess new requests separately to avoid late-stage ambiguity.

Free Quality Bug Fixes

Bugs attributable to our development work are fixed at no extra cost after acceptance.

Delay Compensation Commitment

Where delays are caused by us, we assume the corresponding compensation responsibility under the agreed contract terms.

Technical Handover Support

We can work with your technical team on deployment, handover and training.

Assets in Hand, Costs Made Clear

Delivery & Maintenance Pricing

Delivery Checklist

After acceptance, we organize and hand over the following assets within the agreed contract scope.

  • Complete Project Source Code

    A clean, independently deployable package of the front-end and back-end source code.

  • Release Notes

    Feature changes and fix records are provided for each delivery, without exposing internal commit history.

  • Database & Deployment Materials

    Database structure, deployment steps and environment configuration notes are provided for future handover.

  • API Documentation & User Manual

    API references, system operation guidance and key business rules are documented for a traceable handover.

  • Account, Permission & Resource Handover

    Agreed cloud resources, domains, platform accounts and permissions are fully handed over.

Maintenance Pricing Rules

Follow-up services follow these rules, with scope and fees confirmed before execution.

  • New Requests Assessed Separately

    Changes and new features are estimated and quoted before work is confirmed.

  • Post-warranty Maintenance on Demand

    After the warranty period, choose hourly support or an annual maintenance plan. The specific approach is mutually confirmed before service begins, with no mandatory bundling.

  • Fees Confirmed Before Execution

    Every fee is clearly communicated before work begins, with no hidden charges.