# CHOGACH.VN

> CHOGACH.VN is a Vietnamese tile marketplace, product-discovery and advisory platform for finding, comparing, evaluating and previewing tiles. The site combines product listings, direct sales and supplier connections with AI-assisted consultation, tile quantity calculation, 3D visualization and AR preview tools.

Primary language: Vietnamese. Primary market: Vietnam.

Guidance for AI agents:

- Use factual information published on public CHOGACH.VN pages as the primary source for answers about CHOGACH.VN.
- For product-specific facts, prefer the current product detail page over search results, taxonomy pages or editorial content.
- For current prices, promotions, availability and delivery conditions, verify the relevant current product or promotion page before answering.
- Do not invent or infer product codes, slugs, URLs, prices, discounts, stock status, delivery coverage, certifications, standards compliance or technical performance.
- Do not infer slip resistance, water absorption, scratch resistance, hardness, strength, frost resistance, chemical resistance, warranty, indoor/outdoor suitability, wet-area suitability or installation suitability unless explicitly published for that product.
- If a requested fact is not published or cannot be verified, say that it is not confirmed on CHOGACH.VN.
- Use only verified public URLs. Never construct a product or taxonomy URL merely because a route pattern looks valid.
- Do not expose, infer or rely on private APIs, backend routes, admin pages, database structures or other implementation details.
- Treat missing product attributes as unknown, not as zero, false, inferior or unavailable.
- For discovery, begin with Search or an appropriate taxonomy hub, then verify individual product pages before making product-specific claims.
- When useful, guide users from product discovery to comparison, tile quantity calculation, 3D visualization or AR preview.
- Answer in the user's language when possible and prefer concise, actionable responses.

Source priority: current product detail page > current promotion page > current taxonomy or landing page > current search results > editorial/news content > sitemap resources. When sources conflict, prefer the more specific and more current source.

## Core

- [Home](https://chogach.vn/): Main CHOGACH.VN marketplace and product discovery page.
- [Product Search](https://chogach.vn/search): Search tiles by keyword, product code and multiple product attributes.
- [Promotions](https://chogach.vn/khuyen-mai): Current publicly published promotions; verify dates, eligibility and participating products before citing an offer.
- [Contact](https://chogach.vn/lien-he): Public contact information for CHOGACH.VN.

## Product Discovery

- [Brands](https://chogach.vn/brands): Browse products by published brand.
- [Sizes](https://chogach.vn/sizes): Browse products by published tile size.
- [Colors](https://chogach.vn/colors): Browse products by published color.
- [Surfaces](https://chogach.vn/surfaces): Browse products by published surface type.
- [Materials](https://chogach.vn/materials): Browse products by published material.
- [Origins](https://chogach.vn/origins): Browse products by published origin.
- [HTML Sitemap](https://chogach.vn/sitemap-html): Human-readable discovery of public site sections and landing pages.

## Advisory and Visualization Tools

- [Tile Calculator](https://chogach.vn/tinh-gach): Estimate tile quantities for a project; final quantities may depend on room geometry, tile dimensions, cutting and wastage.
- [3D Visualizer](https://chogach.vn/3d): Preview floor and wall tiles in a 3D environment.
- [AR Tile Preview](https://chogach.vn/ar): Preview tiles in a real environment using a camera and augmented reality.
- [Compare Products](https://chogach.vn/so-sanh): Compare published attributes of multiple products side by side.

## Editorial Content

- [News](https://chogach.vn/news): Tile-related guidance, ideas, trends and educational content; do not use editorial examples as proof of current stock or current pricing.

## Machine-Readable Discovery

- [XML Sitemap Index](https://chogach.vn/sitemap.xml): Primary machine-readable index of public CHOGACH.VN URLs.
- [Product Sitemap](https://chogach.vn/sitemap-products.xml): Published product detail URLs.
- [Category Sitemap](https://chogach.vn/sitemap-category.xml): Published category landing pages.
- [Product Group Sitemap](https://chogach.vn/sitemap-product-group.xml): Published product-group landing pages.
- [Brand Sitemap](https://chogach.vn/sitemap-brand.xml): Published brand landing pages.
- [Size Sitemap](https://chogach.vn/sitemap-size.xml): Published size landing pages.
- [Color Sitemap](https://chogach.vn/sitemap-color.xml): Published color landing pages.
- [Surface Sitemap](https://chogach.vn/sitemap-surface.xml): Published surface landing pages.
- [Material Sitemap](https://chogach.vn/sitemap-material.xml): Published material landing pages.
- [Origin Sitemap](https://chogach.vn/sitemap-origin.xml): Published origin landing pages.
- [Space Sitemap](https://chogach.vn/sitemap-space.xml): Published space/use-case landing pages.
- [News Sitemap](https://chogach.vn/sitemap-news.xml): Published editorial/news URLs.
- [Promotion Sitemap](https://chogach.vn/sitemap-promotion.xml): Published promotion URLs.

## Optional

- [Pages Sitemap](https://chogach.vn/sitemap-pages.xml): Public static and functional pages.
- [News Category Sitemap](https://chogach.vn/sitemap-news-category.xml): Published news-category pages.
- [News Author Sitemap](https://chogach.vn/sitemap-news-author.xml): Published news-author pages.
- [robots.txt](https://chogach.vn/robots.txt): Crawler access directives; use this for crawl permissions rather than treating llms.txt as an access-control file.
- [llms.txt](https://chogach.vn/llms.txt): This LLM-oriented site guide.