ABOUT OSAKI BIOTECH
Botanical Extract Manufacturer in Ningbo, China
Ningbo Osaki Biotech Co., Ltd. is a biotechnology manufacturer specializing in premium plant extract powders for use in nutritional supplements, functional foods, beauty-from-within nutrition, and natural wellness applications.
Located in Beilun District, Ningbo, near one of China’s major deep-water ports, we operate a 25,000 m² GMP-compliant production facility integrating extraction, concentration, drying, and precision powder processing. Our goal is to deliver stable, safe, and consistent botanical ingredients to global health and wellness brands.
Our Approach
We combine botanical knowledge, modern extraction technology, and rigorous quality management to ensure each ingredient meets defined standards of purity and bioactive potency.
We manage the full chain from raw material evaluation to final product testing, supporting transparency, traceability, and high-performance ingredient reliability.
What we focus on:
Controlled raw material selection and sustainability
Low-temperature and solvent-regulated extraction
Standardized active compound profiling
Batch-to-batch consistency and verified purity
Documentation and compliance for global shipment
Quality and Testing
Quality is built into every step of our production workflow.
Our in-house laboratory performs testing for:
Active components (e.g., Rosavins, Salidrosides, OPCs, Ginsenosides)
Microbiological safety
Heavy metals
Moisture and stability profiles
Residual solvents and pesticides
Each batch is issued a full COA and stored as part of our traceable production record system.
Products and Applications
We supply standardized botanical extracts used in:
Capsules and tablets
Powder blends and beverage formulations
Beauty-from-within and holistic wellness products
Active nutrition and recovery support
Our core portfolio includes:
Rhodiola Rosea Extract Powder
Grape Seed Extract (OPC)
Panax Ginseng Extract
Black Maca Extract
Custom botanical extracts by specification
Who We Work With
We supply botanical extract ingredients to a diverse network of partners across the global health and wellness industry. Our customers include:
Nutraceutical and dietary supplement brands
Functional food and beverage manufacturers
Beauty-from-within and skincare nutrition companies
Contract manufacturers and private-label producers
Raw material distributors and importers
R&D centers and product formulation labs
We support both small developing brands and high-volume multinational groups, offering flexible MOQs, technical documentation support, and formulation guidance where needed.
Our facility is located near Ningbo Beilun Port, one of China’s largest international shipping terminals, enabling efficient and reliable global export.
We currently ship to partners in:
• United Kingdom
• European Union
• United States & Canada
• Southeast Asia
• Middle East
• Oceania & Latin America
With stable production capacity, standardized specifications, and full export documentation, we help our partners bring plant-based products to market with confidence.
Botanical Extract Sourcing FAQs
Is Osaki Biotech a manufacturer?
Ningbo Osaki Biotech is a plant extract manufacturer based in Ningbo, Zhejiang, China. Our production processes include extraction, purification, concentration, drying and blending.
What extract specifications are available?
Specifications depend on the ingredient. Examples include Rhodiola rosea extract with 3% rosavins and 1% salidroside, and grape seed extract with OPCs ≥95%. Share your target active content and application to discuss suitable options.
What quality testing do you carry out?
Our in-house testing covers active compounds, microbiological quality and heavy metals. Contact our team to discuss the testing information available for your selected extract.
How do I request a bulk ingredient quotation?
Send an enquiry with the extract name, required specification, estimated quantity, intended application and delivery country, plus your company and contact details. Pricing and availability are confirmed by quotation.
How can I download the product brochure?
Complete the product brochure request form with your name, job title, company name, email and additional notes. After submitting the form, you can access the PDF download.
Discuss Your Extract Requirements
Tell us which botanical extract you need, your target specification, estimated quantity and delivery country. Our team will follow up on your enquiry.