Product Name: Stainless steel sanitary round manhole cover Product Series: the sanitary manhole Series Origin: Wenzhou Products: sanitary manhole scope of medicine, food and equipment I plant the production of manhole cover with quick opening structure, easy to open , safe, beautiful appearance, the oval size 550 × 430,322 × 456, square round Ф400, Ф450, Ф500 320 × 420,555 × 430, pressure vessels and non-pressure vessels can be equipped with. Professional design and manufacture according to the different requirements of the customers finish, materials and industrial standards (such as: ISO, DIN, IDF, 3A). Its service fluid fittings has been widely recognized by customers at home and abroad. Material: SUS304, SUS316L Standard: stainless steel tank to meet the requirements of such a large tank manhole openings dust. Such manhole cover located above the liquid level. The company operating the sanitary manholes, quality assurance, welcome to consult the discussion.