Product Name: the Yab man hole cover Product Series: the sanitary manhole Series Origin: Wenzhou Products: sanitary manhole The company specializes in the production of all kinds of manhole cover, varieties: quick opening manhole cover, atmospheric manhole cover, pressure manhole, square manhole, sight glass manhole, pressure hand hole, quick open hand hole, oval atmospheric manhole cover open manhole cover oval, oval-shaped opening to the outside manhole , and the chemical level HG / T 21514-21535-2005 standard variety of chemical grade manhole, but also according to customer drawings processing non-standard manhole, welcome to call us! The company also sells high pressure valves, pipe fittings, flanges, clamps, expansion joints and other products. Not the biggest, just the best. Commercial era full of competition and challenges, we will be the quality of survival, efficiency and profit, service and development, adhering to the "sincere friend, quality for survival" business ethics, willing to work with the Sichuan colleagues to work to focus on Fire technological development and control cable! For the cause of the fire of the motherland, safeguard the people's lives and property safety