Wholesale Olive Oil Manufacturer & Suppliers

Premium Botanical Extracts & Carrier Oils for Industrial Pharmaceutical, Cosmetic, and Nutraceutical Standards

Featured Herb extracts & Raw Materials

China Chrysin Powder 98% Suppliers, Factory Inquire Now

Wholesale Siberian Ginseng Extract Supplier, Factory Inquire Now

Wholesale Rosa Roxburghii Juice Powder Factory, Factories Inquire Now

China Bitter Melon Extract Manufacturer, Suppliers Inquire Now

China Dehydrocholic Acid Factory, Factories Inquire Now

China Organic Spirulina Powder Manufacturer, Supplier Inquire Now

Wholesale Milk Thistle Extract Suppliers, Factories Inquire Now

China Soluble Milk Thistle Extract Manufacturers, Factories Inquire Now

Industrial-Grade Olive Oil Procurement: Defining Quality Metrics

For global purchasing officers and research labs, sourcing olive oil derivatives goes beyond flavor profiles. It demands strict analytical parameters, biochemical stability, and reliable supply continuity.

As a leading player in botanical extraction for over 20 years, Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) integrates state-of-the-art purification technology with traditional agricultural processing. Industrial Olive Oil sourcing is divided between carrier base oils and concentrated active phytochemicals like hydroxytyrosol and oleuropein. Global buyers in the cosmetics, pharmaceuticals, and functional food sectors require standardized chemical profiles to guarantee formulation efficacy and long-term shelf stability.

Oil Grade / Derivative	Active Component / Marker	Free Fatty Acids (FFA) Limit	Primary Industrial Applications
Extra Virgin Olive Oil (EVOO)	Polyphenols > 250 mg/kg	≤ 0.8%	Functional food, nutraceutical capsules, premium skincare base
Refined Olive Oil	Oleic Acid (C18:1) 55-83%	≤ 0.3%	Pharmaceutical vehicles, clinical nutrition, mass cosmetic bases
Olive Leaf Extract	Oleuropein 10% - 40% (HPLC)	N/A (Dry Extract)	Nootropics, anti-aging dietary supplements, longevity therapeutics
Hydroxytyrosol Powder/Liquid	Hydroxytyrosol 5% - 25%	N/A	High-end cosmetic whitening, cardiovascular wellness formulas

Our refining process ensures that volatile impurities and oxidation products are systematically eliminated. Through modern centrifugal separation and low-temperature molecular distillation, we provide wholesale olive oil derivatives that maintain maximum biological activity, minimal peroxide values, and optimal biocompatibility.

China's Supply Chain Synergy for Global Olive Oil & Botanical Derivatives

How TRB leverages deep manufacturing capabilities to bridge agricultural supply chains with pharmaceutical-grade consistency.

Raw Material Integration

We source raw olives and leaves from selected global partner orchards, processing them inside our modern facilities using optimized extraction algorithms. This ensures traceabilty and stable pricing.

High-Throughput Refining

With three manufacturing bases specializing in extracts and lipids, TRB operates large-capacity reactors that deliver short lead times and continuous batch uniformity for bulk orders.

Rigorous Analytical Control

Every industrial batch undergoes HPLC, GC-MS, and heavy metal testing. Our quality control system is certified by GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER.

Our geographic advantage in Nanjing provides immediate access to major international shipping ports. By optimizing sea, air, and rail freight channels, TRB ensures that transit times are kept to an absolute minimum. We also apply nitrogen-purging packaging protocols (IBC totes, drums, and customized containers) to completely prevent oxidation during long-distance global logistics.

20+

Years of Extraction Expertise

60+

Countries Exported To

3

State-Of-The-Art Factories

100%

Traceable & Compliant Batches

Regulatory Compliance & Localization Support

Ensuring seamless custom clearance and formulation validation in North America, Europe, and Asia-Pacific markets.

Navigating regulatory hurdles is a primary concern for procurement managers. TRB supports partners by providing comprehensive technical documentation, including Material Safety Data Sheets (MSDS), Certificates of Analysis (COA) for every batch, Technical Data Sheets (TDS), and full heavy metal/pesticide residue analyses. This ensures that imports clear customs smoothly and meet the requirements of regional food safety and drug administrations.

About Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB)

Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB), is the China Leading manufacturer and exporter of herbal extracts and its derivatives for more than 20 years. TRB is a technology-based company that combines research and development, production and international market sales. TRB products include the Herbal extracts, Sweeteners, Nootropics, Vegetable & Fruit Juice powder, Essential oil, Bee Products.

TRB's rapid development and dedicated service in the plant extract industry over the years, we have been awarded the 2026 "Global Biotechnology and Life Sciences Award" - ''Best Global Herbal Extract Provider 2026''.

TRB currently has three factories, one is a herbal extract factory, the other is a bee product factory and the another is for animal extract products, and the factory has a series of certificates such as GMP, ISO, HACCP, ORGANIC, FDA, HALAL, KOSHER Certificates. In recent years, TRB has focused on the research and development of Nootropics products, such as Brain Health Herb Extract, Anti-Aging Herb Extract, Longevity Herb Extract which have good feedback from our customers. TRB products have been exported to more than 60 countries and regions and have gained a good reputation and respect. TRB is committed to the research and development of pure natural plant extracts, dedicated to the health of all humanity.

Industry Development & B2B Application Scenarios

Analyzing the integration of high-polyphenol lipids in modern product formulations.

Nutraceuticals & Bio-Lipids

Extra virgin olive oil serves as an excellent lipid carrier for fat-soluble vitamins (D3, K2) and active herbal extracts, promoting optimal bioavailability in human digestion.

Cosmetic Base Formulations

Rich in squalene and oleic acid, our refined oils mimic natural skin lipids. This makes them ideal for skin barrier repair creams, cleansers, and premium massage oils.

Pharmaceutical Vehicles

Used as an excipient or active vehicle in oral suspensions, soft gel capsules, and topical ointments that demand low acid value and absolute chemical stability.

The High-Polyphenol Trend: Driven by consumer demand for clean labels and longevity products, manufacturers are increasingly fortifying foods with high-polyphenol botanical extracts. The synergistic combination of Olive Leaf Extract (Oleuropein) and cold-pressed Olive Oil creates a powerful antioxidant system, protecting formulations against thermal oxidation and rancidity without resorting to synthetic preservatives.

Technical Procurement FAQ

Direct answers to the most common quality, logistics, and technical questions asked by global B2B procurement managers.

What parameters determine the shelf life of wholesale olive oil?

The shelf life is primarily determined by the Free Fatty Acids (FFA) percentage, the initial peroxide value, and exposure to light and oxygen. TRB controls these factors through nitrogen flushing and nitrogen-purged high-density polyethylene (HDPE) drums or IBC tanks, ensuring a shelf life of up to 24 months under dry, cool warehouse conditions.

How does TRB guarantee the purity of its olive oil derivatives?

Every batch is tested using gas chromatography (GC) to verify fatty acid composition and rule out adulteration with seed oils. We also measure UV light absorption (K232 and K270 markers) and conduct routine HPLC tests on active ingredients like Hydroxytyrosol to guarantee precise concentration metrics.

Do your factories meet Western GMP and FDA registration requirements?

Yes. TRB's manufacturing bases are fully certified under GMP, ISO, and HACCP frameworks, and we maintain an active FDA registration. This ensures our products are fully compliant with EU and North American regulatory imports, allowing for smooth customs clearance.

Can you customize the concentration of Olive Leaf Extract (Oleuropein)?

Absolutely. While our standard specification sheets range from 10% to 40% Oleuropein, our R&D lab can produce custom extract ratios and adjust soluble carrier bases to meet specific client formulation goals.