Yama Co., Ltd. is a manufacturer founded in 1967. Focusing on supplying OEM products to wholesalers, we have been focusing on expanding sales of tennis bracelets and tennis necklaces using the press manufacturing method. Taking advantage of our factory functions, we are striving to meet market needs with a speedy production capacity, and stable quality. In addition to design development, we will continue to work on planning and product proposals in collaboration with our customers, such as ne