... machinery,own factory 3)Own factory,good quality Yellow marble kitchen countertop 1)Product infro 1MaterialOnyx,G603, G682, G654 Ubatuba, tan ... ",49x19"/22",61x19"/22".(single or double sinks)B.for kitchen countertops,96"x36",96"x26"-1/2",78"x25x'x1 ... exactly by our skillful workers. 4Thickness20mm, 30mm, 20+20mm laminated, 30+20mm laminated, etc.5edge finishedfull bullnose, half bullnose, eased edge ...