Proxene Tools Co., Ltd. Is a company that specialized in the manufacturing and exporting of adjustable angle wrenches in Taiwan. Founded in 1984, to start the business and challenge the most difficult item in hand tool industry and set up the goal of top one in the world which consider design, technique and offer differential adjustable wrenches to fit separate industries. Therefore from production design, tooling, fixtures, design of special machines and process flow system are all created by company itself.