方形不銹鋼人孔采用進口SUS304、316L制作，可以滿足食品、生物制藥領域各種介質的特殊要求，其光滑、無縫、自動排空手工藝流體通道還非常適用于蒸汽踏它就地清洗的需要，在制造加工過程中嚴格按FDA要求進行質量臨控，采用電腦三維設計，是為GMP要求而制造的。   衛生級人孔應用：乳制品、啤酒、食品、飲料、制藥、生物工程等工業領域大罐及容器上。

 Square stainless steel manhole using imported SUS304, 316 L production and can meet the special requirements of food, bio pharmaceutical field of various media, the smooth, seamless, the automatic arrangement of empty process fluid channel is very applicable to steam foot it clean in place of the need, in the manufacturing process strictly according to the requirements of the FDA quality of clinical control, using three dimensional computer design and is made for GMP requirements. Sanitary manhole application: dairy products, beer, food, beverage, pharmaceutical, bio engineering and other industrial fields tanks and other containers.