We are develop our pH paper from single set colour in Leaves from to multy color pH range in single strips form with various range up to 1-14. It will be shown at a time four colour with various color range which is pest on the Box color chart. Take it and test it.
Member Since 18 Years
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GST No. 19AAJFD8631R1ZL
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Uttarpara, Hooghly, West Bengal