Guaranteed Purity
Every single batch is HPLC &MS verified, ensuring puritylevels exceeding 99.0% withcomplete testing reports.
Cutting-Edge R&D
Equipped with state-of-the-artpeptide synthesisers,preparative HPLC systemsand freeze-drying equipment.
Global Secure Logistics
Stealth packaging, cold-chainoption support, and reliablelogistics routes to ensure safecustoms clearance.
Professional Support
Comprehensive technicalsupport, customizedformulation development, and24/7 B2B account managers.
Core Peptide Categories
Explore our core high-purity peptide research and API raw materials
![Anhydrous Citric Acid]( "Anhydrous Citric Acid")
Anhydrous Citric AcidWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Sodium Sulfate]( "Sodium Sulfate")
Sodium SulfateWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Dimethylformamide (DMF)]( "Dimethylformamide (DMF)")
Dimethylformamide (DMF)We select high-quality materials and use sophisticated processing techniques to ensure quality.
![L-Leucine]( "L-Leucine")
L-LeucineWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Vanillin]( "Vanillin")
VanillinWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Sodium Hypochlorite]( "Sodium Hypochlorite")
Sodium HypochloriteWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Potassium Hexafluoroaluminate]( "Potassium Hexafluoroaluminate")
Potassium HexafluoroaluminateWe select high-quality materials and use sophisticated processing techniques to ensure quality.
![Sodium hydroxide]( "Sodium hydroxide")
Sodium hydroxideWe select high-quality materials and use sophisticated processing techniques to ensure quality.
About Us
Over 30 Years of Peptide Innovation & Manufacturing Excellence
Jiulong Biotech is a leading high-tech chemical andbiotechnology enterprise specializing in the R&D, large-scale production, and global export of fine peptides and APIs.
With an experienced team of biochemists and cutting-edge industrial manufacturing sites, we deliver high-quality peptides to pharmaceutical companies, research organizations, and distributors globally. Our laboratories conform to strict ISO 9001 and cGMP standards, ensuring every product is safe, stable, and traceably documented.
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Biotech Innovation
Supplying high-purity research APIs and wholesale pharmaceutical raw materials under strict ISO 9001 & cGMP audits.
Innovation-Driven, Technology-Enabled
State-of-the-art production environments ensuring quality consistency across allpeptide products
Guaranteed Purity
Guaranteed Purity
Lyophilization Processing Room
Industry Insights & Corporate News
Keep up with peptide synthesis advancements and Jiulong Biotech announcements
![The economic operation of the petrochemical industry in the first half of the year showed six major characteristics]( "The economic operation of the petrochemical industry in the first half of the year showed six major characteristics")
Apr 20, 2026The economic operation of the petrochemical industry in the first half of the year showed six major characteristicsRecently, reporters learned at the 2025 National Petroleum and Chemical Industry Economic Situation Analysis Conference held in Nantong, Jiangsu that the economic operation of the petrochemical industry was basically stable in the first half of this year, showing six major characteristics.Read Article
![In July, the added value of chemical raw materials and chemical products manufacturing increased by 7.2% year-on-year]( "In July, the added value of chemical raw materials and chemical products manufacturing increased by 7.2% year-on-year")
Jan 05, 2026In July, the added value of chemical raw materials and chemical products manufacturing increased by 7.2% year-on-yearRecently, the National Bureau of Statistics released data showing that in July, the added value of industrial enterprises above designated size increased by 5.7% year-on-year in real terms. Among them, the oil and natural gas extraction industry increased by 4.1% year-on-year, and the chemical raw materials and chemical products manufacturing industry increased by 7.2% year-on-year.Read Article
![Chinese scientists have increased the energy density and battery life of lithium batteries by 2-3 times.]( "Chinese scientists have increased the energy density and battery life of lithium batteries by 2-3 times.")
Oct 17, 2025Chinese scientists have increased the energy density and battery life of lithium batteries by 2-3 times.Recently, Chinese researchers have broken through the energy density and performance bottlenecks of conventional lithium-ion batteries, developing soft-pack cells with an energy density exceeding 600 watt-hours/kg and module batteries with a 480 watt-hours/kg capacity. These performance indicators directly improve the energy density and battery life of existing lithium-ion batteries by 2-3 times.Read Article
Need Customized Peptide Formulations or Bulk
Wholesale Pricing?
Speak to our senior research biochemists and account managers today to request
custom quotes and HPLC test data sheets.
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Submit Inquiry For Price Sheets & Batch COA
Fill out the feedback form with your project requirements. Our B2Baccount managers will respond to your registered email address orWhatsApp within 12 hours with complete pricing details.
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