Guizhou Diode & Machining Technology Co., Ltd. head quarter located in jinyang economic development zone, guiyang city. Our company specializes in CAD design, tooling and die set disign, special cold forge parts, machining, assembling and fabrication parts, we follow the quality policy of world is "giving fundamentalconsideration to the people′s interests, continuous innovation, excellent quality and quick service" and also we are the ISO9001: 2000company, our clients have extended from Asia to ...