# lanxingqingxi.com — LLMs.txt
# 丹阳市蓝星防腐清洗有限公司 | Industrial Equipment Cleaning
> Founded 2001 | China Industrial Cleaning Association Member

## Core Pages
- [Home](https://www.lanxingqingxi.com/): Company overview, services intro
- [About](https://www.lanxingqingxi.com/about.html): Company history, certifications, team
- [Services](https://www.lanxingqingxi.com/services.html): Full service catalog
- [Technology](https://www.lanxingqingxi.com/tech.html): Core cleaning technologies
- [Cases](https://www.lanxingqingxi.com/cases.html): Engineering case studies
- [Contact](https://www.lanxingqingxi.com/contact.html): Inquiry form, phone, address

## Service Pages
- [Heat Exchanger Cleaning](https://www.lanxingqingxi.com/services/heat-exchanger.html): Shell-and-tube, plate, spiral, floating head
- [Pipeline Cleaning](https://www.lanxingqingxi.com/services/pipeline.html): Chemical + PIG + high-pressure water jetting
- [Central AC Cleaning](https://www.lanxingqingxi.com/services/central-ac.html): LiBr absorption, chiller, cooling tower
- [Boiler Cleaning](https://www.lanxingqingxi.com/services/boiler.html): Steam boiler, thermal oil boiler descaling
- [Reactor Cleaning](https://www.lanxingqingxi.com/services/reactor.html): Glass-lined, stainless steel, titanium

## Blog / Technical Articles
- [Blog List](https://www.lanxingqingxi.com/blog/blog-list.html): 50 in-depth articles
- [Heat Exchanger Articles](https://www.lanxingqingxi.com/blog/heat-exchanger.html)
- [Central AC Articles](https://www.lanxingqingxi.com/blog/central-ac.html)
- [Boiler & Reactor Articles](https://www.lanxingqingxi.com/blog/boiler-reactor.html)
- [Pipeline & Membrane Articles](https://www.lanxingqingxi.com/blog/pipeline-membrane.html)
- [Cleaning Technology Articles](https://www.lanxingqingxi.com/blog/general-tech.html)
- [Regional Services](https://www.lanxingqingxi.com/blog/regional.html): GEO articles (Nanjing, Suzhou, Wuxi, etc.)

## Key Technical Content
- [Copper Tube Condenser Cleaning](https://www.lanxingqingxi.com/blog/copper-tube-condenser-cleaning-corrosion-protection.html): Sulfamic Acid+BTA inhibitor system, iron displacement plating prevention
- [Citric Acid vs Organic Acids](https://www.lanxingqingxi.com/blog/citric-acid-vs-organic-acids.html): Chelation mechanisms, acid selection guide
- [Sulfamic Acid Applications](https://www.lanxingqingxi.com/blog/sulfamic-acid-industrial-cleaning.html): Industrial cleaning uses & limitations
- [Chemical vs Water Jet Cleaning](https://www.lanxingqingxi.com/blog/chemical-vs-water-jet-cleaning.html): Method comparison
- [Pharmaceutical GMP Cleaning](https://www.lanxingqingxi.com/blog/pharmaceutical-gmp-equipment-cleaning.html): Reactor, pipeline, CIP
- [Corrosion Inhibitor Guide](https://www.lanxingqingxi.com/blog/corrosion-inhibitor-selection-guide.html): BTA, MBT, Urotropine mechanisms
- [Stainless Steel Passivation](https://www.lanxingqingxi.com/blog/stainless-steel-passivation-cleaning.html): Pickling + passivation process
- [Equipment Cleaning FAQ](https://www.lanxingqingxi.com/blog/industrial-cleaning-faq.html): 20 practical Q&A

## English Site
- [EN Home](https://www.lanxingqingxi.com/en/)
- [EN Blog](https://www.lanxingqingxi.com/en/blog/blog-list.html)

## Feeds
- [RSS](https://www.lanxingqingxi.com/rss.xml)
- [Sitemap](https://www.lanxingqingxi.com/sitemap.xml)

## Optional
- [EN Site](https://www.lanxingqingxi.com/en/): Full English mirror