3000+ Client Cases
Deep-rooted Government and Enterprise Services, Covering 500+ Cities Nationwide, Serving 2000+ Agricultural Software Clients, Sino-American Software Development and Outsourcing Experience, 20 Years of Practice in 300 Cities
English
USA
Sunzom serves 300+ cities across China and clients worldwide
USA
Sanzhong Technology
20+ years dedicated to global APP/Mini-Program/foreign trade website custom development, US software outsourcing specialist, efficient delivery
200+ Patents
Zhongke Technology with 300+ software copyrights, 2 inventions, 7 trademarks covering ERP/APP/Mini Program customization and US outsourcing services, leading the global software technology market
Jiangsu High-tech Leading Enterprise
Focuses on U.S. software outsourcing and local “dual-software” certification, listed on Jiangsu Equity Exchange (692581), integrates provincial high-tech, cultural tech, tech-oriented SMEs, private tech, software association member, high-tech enterprise, gazelle & giant, national key supervision unit in one, 15 years deep in AI, big data, cloud computing, provides full-stack solutions for government, finance, manufacturing, helps clients’ digital upgrade.
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One-stop custom software development
From requirements to full launch, US team + local delivery, specializing in foreign trade ERP/APP/Mini Program, 15 years of industry experience, efficiently implementing your exclusive software solution
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Enterprise-level software custom development
Sanzhong Technology specializes in enterprise-level software custom development, integrating U.S. software outsourcing experience to provide one-stop customized services such as APP, mini-program, ERP, and CRM for Chinese and American enterprises, deeply aligning with business processes to enhance efficiency and competitiveness.
Contact us →AI+ Services in USA
LLM Integration & Private Deployment
Add LLM capabilities to your existing systems: smart customer ser…
Details →Custom AI Agent Development
Custom AI agents built to your business rules: customer service r…
Details →Legacy System AI Upgrade
Upgrade existing management systems without touching core busines…
Details →FAQs — Software Development in USA
Who owns the source code and data after delivery?
The client owns all source code and data upon acceptance. NDAs are signed before cooperation, and both cloud and on-premise private deployment are supported.
How much does custom software development cost for a business in USA?
Costs depend on scope, complexity and delivery time. Sunzom provides a detailed assessment and quotation after understanding your requirements — request a free evaluation online or call +8617626035999.
Do you support remote development for USA clients?
Yes. We combine on-site requirement research with remote delivery: milestone reviews, weekly reports, and post-launch remote maintenance — no extra travel cost for USA clients.
Can you rework or integrate our legacy system?
Yes. We support data migration, API integration and functional refactoring for legacy systems — free assessment first, then a clear plan and quotation.
Enterprise Management System Development
Sanzhong Technology specializes in custom enterprise-level management system development, aligned with U.S. software engineering standards, delivering integrated PC + APP + mini-program solutions.
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Business Management System Customization
Focus on business management system customization, integrating U.S. software outsourcing experience, providing enterprise-level ERP, CRM, OA, APP, and mini-program full-stack custom development, 200+ successful cases covering manufacturing, retail, medical, logistics, foreign trade, and other industries, supporting cloud deployment, local deployment, and hybrid deployment, 7×24 technical support, assisting enterprises in digital transformation and upgrading.
I have a requirement →Our Advantages
U.S. Software Custom Development
Focused on U.S. Domestic + Offshore Hybrid Delivery, 15-year experienced team provides enterprise-level software customization, system development, management software development, APP/Mini-Program/Foreign-Trade Standalone One-Stop solutions, supports Cloud-Hong Kong/Nanjing dual R&D centers, agile iteration, rapid launch, source-code delivery, 7×24 maintenance, accelerating your North American market digitization.
U.S. Software Outsourcing
Focused on U.S. software development and customized solutions, covering APPs, mini-programs, foreign-trade websites and global enterprise-management software. 15 years of industry experience helps enterprises digitize and go overseas.
IoT System Development
Focused on IoT system development, integrating U.S. software outsourcing experience, providing customized industry and enterprise management software, APPs, mini-programs, and foreign trade website services, driving industrial innovation with advanced technology.
Ready to start your software project?
Tell us about your project — get a professional assessment and quotation.
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