... 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 ... ,pls do not hesitate to contact with me. Yellow marble kitchen countertop