---
title: abang
description: Developer · Shenzhen · Loves building new apps
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# abang

Developer · Lenovo · Shenzhen

> Stay curious about new things, highly driven, and enjoy building useful things from scratch.

[cefengxu@163.com](mailto:cefengxu@163.com) · Shenzhen, China

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## About Me

I write code at Lenovo and tinker with side projects in my spare time.

Lately I've been focused on AI + Web: integrating large language models into real products and taking ideas all the way to working apps—trip planning, document rendering, map posters, image search—handling frontend, backend, payments, and streaming output myself.

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## Things I've Built

### TripGen

AI-powered travel itinerary generator. Enter a destination and preferences, get a full plan streamed in real time, with format conversion, history, and Word/PDF export. Includes user accounts, WeChat login, and pay-per-use / pay-per-token billing.

React · Express · MySQL · Claude · SSE

### mk2html

Renders Markdown travel plans into polished HTML, then exports print-quality PDFs. pnpm monorepo with four themes; PDFs generated via Playwright.

React · Express · markdown-it · Playwright · Vitest

### MapGen

Enter a list of place names, LLM geocoding, Leaflet route drawing, export travel map posters. Can also auto-generate Chinese travel copy.

React · Leaflet · Express · Tailwind · html-to-image

### LM Gallery

Dual-platform image search across Pexels + Unsplash, multi-key rotation, three-column gallery layout, Lightbox browsing.

React · Express · Vite · Tailwind

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## Contact

📧 [cefengxu@163.com](mailto:cefengxu@163.com)  
📍 Shenzhen, China