About Sigma-Aldrich (Shanghai) Trading Co., Ltd. 西格玛奥德里奇
Direct manufacturer & exporter of research-grade compounds since 2005
Company Profile
Sigma-Aldrich (Shanghai) Trading Co., Ltd. (SIG) is a professional manufacturer and exporter of peptides, SARMs, anabolic compounds, raw powders and related supplements. Based in Shanghai, China, we offer direct factory pricing with comprehensive international logistics.
Since 2005, we've served thousands of customers across the US, Europe, Australia, and beyond. Our direct-from-manufacturer model means you get the best pricing without middlemen or resellers inflating costs.
Meet Our Team
Our dedicated sales representatives are available 7 days a week to help with orders, product questions, and after-sale support. Reach out to any of us directly.
Elise
FastestBulk orders, custom synthesis, OEM partnerships. With SIG since 2005.
Manufacturing Excellence
Our facility features GMP-standard production lines for peptide synthesis, tableting, and oil formulation. We handle everything from raw material sourcing to final product packaging, ensuring quality control at every step.
Quality Assurance
Every product we sell is independently tested by Janoshik Analytical — the most trusted independent laboratory in the research chemical industry. We don't just claim quality; we prove it with transparent, verifiable data.
99.5%+ Average Purity
Consistently verified across all products — peptides, orals, injectables, and raw materials.
452 Independent Test Reports
Every batch tested and documented. Full HPLC & mass spectrometry analysis by Janoshik Analytical.
Certificate of Analysis (COA)
A COA is available for every product we sell. Request it anytime — full transparency, no exceptions.
Buyer Protection
100% Delivery Guarantee
If your package is seized or lost in transit, we reship at no extra cost — no questions asked. We've maintained this policy since day one.
60-Day Refund Policy
Not satisfied? Choose a full refund, free replacement, or 110% store credit. We stand behind everything we sell.
Secure Payments
256-bit encrypted checkout supporting Visa, Mastercard, Apple Pay, Google Pay, bank transfer, and cryptocurrency.
Discreet Packaging
Plain, unmarked packaging with no product labels, company branding, or identifiable markings.
Product Categories
Peptides
180+ productsGLP-1 agonists, growth hormones, healing compounds, blends, bioregulators
Oral Tablets
80+ productsSARMs, anabolics, PCT support, nootropics, weight loss
Injectable Oils
70+ productsTestosterone, trenbolone, nandrolone, specialty blends, lipo formulations
Raw Materials
30+ productsBulk powders for manufacturing
Why Choose SIG?
Direct Manufacturer
No middlemen, best factory pricing
Janoshik Tested
99.5%+ purity verified by Janoshik Analytical. 452 independent test reports.
350+ Products
Comprehensive catalog
Worldwide Shipping
Reliable international logistics
Buyer Protection
100% delivery guarantee, free reshipping, easy refunds
Bulk Discounts
Volume pricing available
Community Presence
SIG is openly discussed and reviewed across major research forums. Read real customer experiences:
Ready to Order?
Explore our complete range of 350+ research compounds or get in touch with our team for custom orders and bulk pricing.