SGN have been supplying life-science laboratories since 2004 and the ordering process is built for institutional buyers, which changes a few practical things worth knowing in advance.
The correspondence is businesslike rather than warm, which threw me at first and is simply the register. Quotes come back inside a working day, dispatch is quoted at three to five, and the regional stock covers the lines this community reorders.
Where a quote needed correcting it was corrected inside a single reply with the price held. Water content and the batch record both came back against a lot code when I asked.
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