23+ Years of Botanical Extraction & Purification Excellence
Shaanxi Torzi Biotech Co., Ltd. operates a high-standard extraction and manufacturing facility spanning 12,447 square meters in Xi'an, Shaanxi. Rooted in China's natural botanical resource hub, we integrate wildcrafted harvesting, active monomer isolation, and contract packaging under stringent GMP protocols.
Our infrastructure serves leading dietary supplement, cosmetic, functional food, and pharmaceutical brands across North America, Europe, Southeast Asia, and Latin America with certified compliance and comprehensive batch traceability.
Standardized 8-Stage Extraction Process
Every botanical batch passes through our standardized, eight-stage closed-loop production system to ensure maximum active ingredient retention and zero cross-contamination.
Raw Material Sourcing
Strict GAP origin selection, species authentication, moisture checking, and pesticide residue pre-screening.
Countercurrent Extraction
Optimized hot-water, organic solvent, and dual-extraction methods parameterized for maximum yield of target actives.
Vacuum Concentration
Low-temperature thin-film vacuum evaporation protecting thermolabile bioactives and maximizing concentration speed.
Resin Adsorption
High-selectivity macroporous resin chromatography to isolate target molecules and eliminate non-functional impurities.
Spray Drying & Spraying
High-speed centrifugal spray tower converts liquid concentrate into free-flowing, instantly soluble micro-powder.
Smashing & Sieving
Precision micro-pulverizing and vibration sieving meeting uniform particle requirements from 80 mesh to 200 mesh.
Homogeneous Mixing
Industrial three-dimensional and V-type blenders ensuring inter-batch consistency and uniform ingredient dispersion.
Finished Packaging
Class 100,000 cleanroom packaging in food-grade aluminum barrier bags, nitrogen flushing, and tamper-evident fiber drums.
State-of-the-Art Processing Equipment
Built with sanitary-grade SUS304 and SUS316 stainless steel, our fully automated processing equipment scales from kilogram-level pilot runs to multi-ton bulk production.
Multi-function Extract Tank
Equipped with jacketed steam heating, dynamic reflux, and ultrasonic-assisted extraction capabilities.
Vacuum Concentrator
Dual-effect falling film evaporation system ensuring rapid concentration under low temperatures.
Adsorb Resin Column
Multi-column automated industrial separation line for targeted fraction collection and active substance purification.
Sanitary Storage Tanks
Aseptic liquid holding tanks equipped with online CIP/SIP systems to prevent intermediate microbial buildup.
Centrifugal Spray Tower
Precision atomization with instantaneous water evaporation preserving the natural color and potency of extracts.
Reaction Tank
Pressure vessels with digital temperature and pH controls for enzymatic hydrolysis and synthesis reactions.
Ultra-fine Pulverizer
Equipped with water-cooling jackets to prevent heat degradation during high-speed mesh-sizing processes.
Vacuum Dry Oven
Static vacuum desiccators designed for heat-sensitive crystalline compounds and moisture-sensitive powders.
Homogeneous Mixer
Sanitary double-cone and ribbon blending machinery ensuring coefficient of variation (CV) < 5% across big batches.
Water Treatment System
Two-stage reverse osmosis (RO) and EDI deionization unit delivering pharmacopoeia-grade purified water for extraction.
Electric Concentrator
Energy-efficient, low-temperature thermal concentration unit engineered for specialty plant fractions.
Disc Stack Separator
Continuous centrifugal clarification operating at high G-forces to remove insoluble particles and fiber residues.
Analytical QC Lab & Testing Instrumentation
Shaanxi Torzi Biotech Co., Ltd. operates a full-scale in-house analytical laboratory. Every production batch undergoes strict physicochemical, microbiological, and instrumental assays before release.
Full-Spectrum In-House Testing
Our testing methodology follows USP, EP, and AOAC international standards. We perform quantitative active assays, residual solvent monitoring, heavy metal detection, and pesticide residue verification per export batch.
Complete Certificates of Analysis (COAs) and third-party validation reports (SGS, Eurofins) are provided with all commercial shipments.
- Assay & Active Content Testing
- Heavy Metals: Pb, As, Cd, Hg
- Residual Solvent Screen (GC)
- Microbiology & Pathogen Counts
- Bulk Density & Mesh Sizing
- USP/EP Residual Pesticides
Quality Test Lab
Climate-controlled testing facility staffed by experienced chemical analysts and quality assurance auditors.
Liquid Chromatograph (HPLC)
High-performance HPLC with UV/DAD detectors for precise identification and quantification of target active compounds.
Liquid Chromatograph II
Secondary high-pressure LC workstation dedicated to rapid in-process monitoring and final product release validation.
Gas Chromatography (GC)
FID-detector GC systems utilized for residual solvent detection (ethanol, methanol, ethyl acetate) and volatile assay.
Atomic Absorption Spec (AAS)
Flame and graphite furnace AAS for trace-level elemental heavy metal quantitative analysis (Lead, Cadmium, Arsenic).
Atomic Fluorescence Spectrometer
Specialized optical instrument providing ppb-level detection limits for Mercury and Arsenic impurities.
Rotary Evaporator
Precision pilot distillation unit used by our R&D team to develop customized extraction formulas and recovery studies.
Precision Analytical Balance
Ten-thousandth electronic analytical balance ensuring accurate preparation of standard reagents and calibration samples.
Trade Shows, Factory Audits & International Presence
Shaanxi Torzi Biotech Co., Ltd. regularly meets brand partners at major worldwide exhibitions including SupplySide West, CPHI, Fi Europe, and Vitafoods, welcoming on-site client facility audits.
Partner Directly with a Verified Manufacturer
Contact Shaanxi Torzi Biotech Co., Ltd. for comprehensive technical dossiers, batch COAs, custom extraction inquiries, and product catalogs.