October 3, 2026 · Product Thinking
Drawing the Boundary of an MVP
Minimum viable is not the fewest features; it is one complete business loop running end to end.
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An enterprise blog · Lanzhou · since 2019
The Jiayifangyuan Journal
What we learn, written down in public
Latest posts
126 postsOctober 1, 2026 · Project Retrospectives
Retrospective: Integrating ERP With MES
The hard part of integration is not the interface, but getting two departments to agree on what a field means.
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September 29, 2026 · Team and Culture
What Code Review Is Really For
Review is not fault-finding. It is letting another mind walk through your code.
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September 27, 2026 · Industry Watch
Two New Trends in Local Software Budgets
Totals are flat, but the way money is spent has changed: fewer big one-off projects, more sustained investment.
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September 25, 2026 · Founder Notes
Three Lessons From Our First Client
Our first project in 2019 was worth thirty thousand yuan and taught us more about contracts, acceptance and honesty than any course.
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September 25, 2026 · Engineering
Mini Program or App? Start with Where the Business Happens
Technical preference should not decide the platform. Frequency, sharing, retention and capability boundaries are what really determine the right carrier.
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September 23, 2026 · Engineering
Permissions: From Roles to Data Scope
Most admin systems stop at menus and buttons. The hard part is showing each person only the data they should see.
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September 21, 2026 · Product Thinking
Three Questions Worth Asking in User Interviews
Asking what people want yields imagination; asking what they did last time yields facts.
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September 19, 2026 · Project Retrospectives
Retrospective: Traffic Arrived, Enquiries Did Not
Ads ran normally after launch but enquiries stayed low. The review found trust and form friction were the blockers.
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— The editors at JiayifangyuanEST. 2019 · JYFY