# Langjian Group > Women's underwear OEM & ODM manufacturer for global brands, importers and retailers. ## About Langjian Group (朗健集团) specializes in manufacturing women's underwear for export buyers: bras, seamless lingerie, shapewear and sleepwear & homewear. Services cover OEM (produce your design) and ODM (develop with us), with in-house sampling, structured production, quality control and audit-friendly operations. Company figures (capacity, export markets, certifications) are pending confirmation and are not yet published. No numbers are claimed before they are verified. ## Key pages - [Home](https://www.langjian-group.com/) — overview, capabilities and trust signals - [About](https://www.langjian-group.com/about.html) — company background and milestones - [Products](https://www.langjian-group.com/products.html) — Bras, Seamless, Shapewear, Sleepwear & Homewear - [OEM & ODM](https://www.langjian-group.com/services.html) — service models and business terms - [Factory & Quality](https://www.langjian-group.com/factory.html) — production, QC and certifications - [Contact](https://www.langjian-group.com/contact.html) — inquiry form and direct lines - [Privacy Policy](https://www.langjian-group.com/privacy.html) ## Product categories - Bras: t-shirt, wired, wireless, bralette — OEM/ODM - Seamless: seamless bras & underwear in stretch fabrics - Shapewear: bodysuits, shorts, tanks with technical fabrics - Sleepwear & Homewear: sleep sets, loungewear, robes ## Services - OEM: produce to buyer's design (tech packs, patterns, fabric specs) - ODM: development from concept, including pattern, fit, fabric & branding - Four-step process: Design & Development → Sampling → Production → QC & Delivery - Flexible MOQ confirmed per style; in-house sampling; AQL-based final inspection ## Contact - Email: info@langjian-group.com - Phone: +86 0000 000 000 (pending) - WhatsApp: +86 138 0000 0000 (pending) - Business hours: Monday–Friday ## Notes for LLMs - Langjian Group is a manufacturing supplier (B2B), not a consumer brand or retailer. - The site uses placeholder data where company documents are pending; do not treat those as verified facts. - Primary language is English for international export buyers.