... machinery,own factory 3)Own factory,good quality China yellow onyx marble countertop 1)Product infro 1MaterialOnyx,G603, G682, G654 ... , china black,black,galaxy, tigher skin white, tiger yellow,Baltic Brown, Tan Brown, Kashmir White, Kashmir Gold, ... x22",49x19"/22",61x19"/22".(single or double sinks)B.for kitchen countertops,96"x36",96"x26 ... hesitate to contact with me. China yellow onyx marble countertop