GUDING- we are a have many years of experience in doors and Windows hardware fittings production enterprise, is a professional research and development in line with international standards of U - PVC, heat insulation broken bridge doors and Windows and aluminum, the screen doors and Windows hardware fittings enterprise, integrating product design, development, marketing .Our company is located in dongzhou industrial zone, tangxia town, wenzhou city, zhejiang province. It has a convenient location and convenient transportation.