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SPQI, Products and Services

The Company SPQI (Services and Products of Quality and Innovative) develops, produces and commercializes laboratory reagents for research (monoclonal antibodies, polyclonal antibodies, ELISA kits).

Based in Lille (North of France), the company SPQI is a spin-off of prestigious research institutes namely INSERM UMRS1172 (“Institut National de la Santé et de la Recherche Médicale”) headed by Pr. Luc Buée, CNRS (“Centre National de la Recherche scientifique”), University of Lille and Lille Hospital in North of France.


SPQI innovative products are commercialized under the 4BioDx® and 4MID® brands on our websites or

We have a great network of agents,  partners and distributors worldwide.

Please contact us at for more details or for an updated list of our distributors.

All our laboratory reagents are robust and validated in peer-reviewed scientific papers and medical studies (complete list upon request).

Please visit : for dedicated products for veterinarians, breeding industries and animal studies.