Sigma Test and Research Centre is a venture by professional qualified personnel and operated by a team of highly experienced, technical staff, which does have comprehensive in-house testing amenities with them. Sigma Test the top water testing lab in Delhi is engaged in testing of chemicals, pharmaceutical, cosmetics, water, food and food products, etc. We are one of the few test houses to on the list of laboratory accredited by the NABL and FSSAI, providing testing facilities for industrial products worldwide.
Read more : https://www.sigmatest.org/drin....king-water-testing-i
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