The beginnings of YJS Co., Ltd. is Hashimoto Industry Group can be traced back to 1925 when we were founded as a small factor ... y for processing metal screws that were used in electrical appliances and automobiles. In the course of almost a century since our founding, we have grown into a company that performs a wide variety of processing operations such as metal cutting, forging, resin molding, pipe processing and etc. In particular, we cater to the demands of our customers and have sought to enhance the performance of our products, which includes heat exchangers as well as water control valves and fittings suitable for hot water supply and hot-water heating systems. At the same time, we have built up our company’s development capabilities and expanded the range of technologies in use. In addition to deepening our knowledge of materials such as metals and resins, we have continued to offer products that meet the diverse functional requirements for the hot water supply and hot-water heating systems which draw on the unique attributes of these materials by harnessing our superior technological capabilities. We will stride into the future with pride as a development engineering company which has the passion to take on challenging operations and the innovation to disrupt existing conventions. read more