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..