Focused on Efficacy Skincare & Medical Device R&D and Manufacturing
Hunan Yian Biotechnology, a core subsidiary of Weitai Group based in Ningxiang Economic Development Zone, Changsha, Hunan, specializes in the R&D and production of Class II medical devices and cosmetics, with Class 100,000 cleanrooms — full-process OEM/ODM from formula R&D to finished products.
Zhaoqing Factory Grand Opening
Guangdong Jinan Gene Bio Building 23 · A New Chapter of Smart Manufacturing
Opening Blessing Videos
Opening greetings from our partners
Our Companies
Multiple subsidiaries covering the full medical device and biopharmaceutical chain
Hunan Weitai Biomedical Co., Ltd.
Core base for Class II/III medical device and pharmaceutical cosmetics R&D and production, with dedicated freeze-drying lines using -40°C vacuum freeze-drying and a Class 100,000 sterile cleanroom.
Guangzhou Weitai Biotechnology Co., Ltd.
Located in the Baiyun Lake smart manufacturing campus of Guangzhou, Weitai Guangzhou operates modern daily-chemical production lines covering freeze-dried masks, serums, creams and lotions, providing brands with combined cosmetic and medical-device development together with the Foshan and Hunan bases.
Applications
Covering medical aesthetics, clinical care and daily skincare scenarios
Hospitals & Clinics
Professional medical devices for hospital dermatology and plastic surgery departments, supporting clinical treatment and post-procedure repair
Pharmacies
Compliantly stocked in pharmacy chains with device-grade repair products for consumers' professional skincare needs
Aesthetic Clinics
Professional product lines for aesthetic clinics: post-procedure repair and daily care
Daily Skincare
R&D and manufacturing of masks, serums, creams and other full-category skincare products for all age groups
Product Center
Covering medical gels, dressings, skin care and more
Recombinant Collagen Repair Dressing
Medical grade repair dressing product developed with 25 years of OEM/ODM expertise. Class II medical device certified, suitable for clinical use in hospitals and pharmacies.
Medical Skincare #10
Professional medical-grade skincare product with advanced bioactive ingredients. Developed through 25 years of R&D experience in medical aesthetics.
Medical Skincare #13
Professional medical-grade skincare product with advanced bioactive ingredients. Developed through 25 years of R&D experience in medical aesthetics.
Medical Hydra Essence #15
Professional hydra beauty essence product for clinical skincare treatments. Combines recombinant collagen and hyaluronic acid for optimal results.
OEM/ODM Process
Professional end-to-end service from requirements to QC delivery
Requirement Analysis
In-depth understanding of client needs, clear product positioning and target market analysis
Formula R&D
Professional R&D team develops custom formulas, provides sample confirmation
Free Sampling
Free sampling based on confirmed formula, proceed after client approval
Registration Assistance
Assist with product registration and regulatory compliance procedures
Mass Production
100,000-class clean rooms, automated production lines ensuring quality and capacity
QC & Delivery
Strict QC standards, batch-by-batch testing, on-time delivery
Certifications
Rigorous quality management backed by multiple authoritative certifications
ISO 13485 Certified
Medical device QMS certification meeting international quality management standards
Class 100,000 Cleanroom
GMP-compliant production environment ensuring product safety and quality
Device Registrations
110+ products hold NMPA-issued medical device registration certificates
Invention Patents Granted
Continuous R&D investment with multiple core invention patents
News
Latest news and industry updates from Yian Bio
What Is Medical Recombinant Collagen Repair Liquid? A Science Guide to Class II Medical Device Ingredients and Mechanism of Action
SUM_MARK_K
Full Moon Mid-Autumn, Nationwide Celebration | Guangdong Weitai 2026 Mid-Autumn & National Day Holiday Arrangement and Pre-Holiday Stocking Warm Notice
As the Mid-Autumn Festival and National Day approach, Guangdong Weitai hereby informs all partners and customer friends of the 2026 Mid-Autumn and National Day holiday arrangements and pre-holiday stocking reminders: September 25 is a 1-day holiday for Mid-Autumn Festival, October 1 to 5 is a 5-day holiday for National Day, and work resumes on October 6. Orders, production scheduling, and logistics are tight around the holidays, so customers with shipping plans are advised to contact their account managers as early as possible to confirm schedules and arrange stocking reasonably.
From Absorbable Sutures to "Collagen Stimulator" Injections and Everyday Skincare: Polylactic Acid's 90-Year Rise, Now Entering Contract Manufacturers as a New "Cosmetic Registration" Ingredient
Polylactic acid (PLA) is a degradable polymer derived from corn and sugarcane: from laboratory synthesis in 1932, to absorbable sutures and the core material of "collagen stimulator" injections, to being filed as a cosmetic ingredient starting in 2022, and with a new poly-L-lactic acid ingredient landing in Guangdong in 2026, this ingredient is becoming a new highlight for Guangdong cosmetics OEM/ODM.
Contact Us
Guangdong Weitai Biotechnology Co., Ltd. (Weitai Group) National Service Hotline
