Deepak Poly Plast Pvt. Ltd., Ahmedabad, (UNIVERSAL TENSILE TESTER, HYDRAULIC PRESS LAB MODEL, TWO ROLL MILL LAB MODEL, DENSITY TESTER, MELT FLOW INDEX TESTER, CARBON BLACK CONTENT TESTER, CARBON BLACK DISPERSION TESTER, HOT WATER BATH REVERSION OIL BATH, HYDRO - STATIC PRESSURE TESTING M/C, ZERO DEGREE CHAMBER, HOT AIR CIRCULATING OVEN FOR SHRINKAGE, TEMPERATURE APPARATUS, VARIATION TESTER, PIPE PRINTING MACHINE )