Sergei gresko from Donetsk, Ukraine is interested in Analytical & Quality control. CAS & MSDS searching. Sergei gresko is working as a Freelancer and can be found in many freelancing marketplace.  Sergei gresko provides freelancing service Other. Sergei gresko very Skilled with analytical chemistry expert.

Sergei gresko so far completed 0 projects and has about 0 reviews from clients who has used earlier freelancing projects. Sergei gresko hourly rate is $13 and gets paid in $.

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