www.doorviewer-china.com

Optical instrument branch of Qingdao petro gulf equipment co.,ltd  is the leader of the door viewer industry. Our factory have advanced technologies and equipments, hardworking and ambitious managers, technicians with innovative spirit as well as skillful production workers. We have created a series of high-quality products based on scientific management and the enterprising spirit of ceaseless pursuit of brilliant and perfect products.We also have become a famous brand in the product design and our products quality is in the first-class. Today  we have got more and more trust and favor by the world famous brand of hardware. Our door viewers have exported to Europe and the United States. Our main products are door viewers（peephole）, fireproof door viewers, F&NA door viewers and so on.

Superior quality, good service, and competitive prices are our focus and principles.

Welcome to our home page, we sincerely hope that you can enjoy your stay here and find something that you need . Our dedicated team at PGECO is committed to your success, we faithfully hope to have chance to cooperate with you in coming future..