We sincerely would like to welcome you to HWANWOONG OTS homepage.We are very pleased to have this opportunity to address & introduce our company to you.Our company was established in 2002, as the specialist in the industry of optical & ophthalmic machinery and manufacture and supply any kind of optical & ophthalmic machinery for smoothing, polishing, centering, curve generating and so on. We concentrate our efforts on exports. As a results, now we have many customers in China, Japan, Singapore, etc.. To create more valuable future, we always do our best by research & technical development.WE ARE READY TO SUPPLY OUR GOODS WHENEVER, WHEREVER, WHATEVER OUR CUSTOMERS WANT.