Cherng Rong is professional manufacture of STAINLESS VALVE BALL and founded in 2006. Now we are extending our business to develop our corporation. We professionally have the knowledge of casting process, producing valves, finished products and even spare parts. Therefore, we can exactly provide the STEEL VALVE BALL, whether it is general or customized size, to meet our clients? requests. Not only OEM but ODM is also the field of our supply. Welcome to contact us, we would like to feedback the best quality and reasonable price as our best for you.