Yiwu D.D.C. MEASURE LIMITED mainly produce and sell gas station things,Marine Chemical Product ,water finding paste(KOLOR KUT/KOLOR CUT),gasoline finding paste,measuring tape,Gauging Tapes for Oil,oil dipping tapes(black,wite,stainless steel),petroleum densimeter/thermometer, sampling cylinder,water test gauge etc.Any more information,you can get us at google: YIWU DDC MEASURE LIMITED