Sign a full-workflow antibody discovery contract within the validity period for 15% off plus priority scheduling. New custom development projects only.
Valid through Oct 31, 2026
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Cite SanjingBio-supplied protein, cell line or antibody data in a published paper and apply with the DOI for 25% off your next project. Any project type, one application per paper.
Valid through Dec 31, 2026
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When a referred institution completes its first project, referrer and referee each receive a US$1,000 service credit usable on any CRO service. Credits are valid for one year from issue.
Valid through Nov 30, 2026
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20% off catalog products site-wide on your first quote order, any category. For first-time institutional customers only, capped at US$5,000 per order; just mention the promotion in your order notes when requesting a quote.
Valid through Sep 30, 2026
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Pick any 4 recombinant protein catalog numbers in one order and the lowest-priced item is free. Limited to SJR-prefixed catalog numbers, any size, stackable with catalog pricing.
Valid through Aug 31, 2026
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Fill in a nanobody development needs survey and we will ship a trial pack (100 μg) of any catalog target protein of your choice. One application per institution.
Valid through Sep 15, 2026
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20% off all recombinant protein catalog numbers. This promotion has ended — see the offers currently running.
Mar 1 – Apr 30, 2026
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US$3,000 off stable monoclonal cell line development projects. This promotion has ended — see the offers currently running.
Jan 10 – Feb 28, 2026
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Bundle pricing on antigen preparation + antibody discovery. This promotion has ended — see the offers currently running.
Nov 1 – Dec 31, 2025
Offer details ↗Share the intended application and what you already have in hand. A scientist — not a sales rep — will scope feasibility, suggest the right route and send a quote, usually within one business day.
