We mainly produce the stainless steel diving helmets (water caps,filter nozzles)and wedge wire screen and acid input alkali input water distribution drainage and sink which are used in water retreatment in mainly industrial companies. They can be used in many water retreatment, such as industrial water, sea water, foods and medicines working products water. And we have many types, and can manufacture as your drawings.304,1Cr18Ni9Ti,316,316L,904L,Hastalloy C...and needs from you. They have been using in many famous Chinese companies. Such as Baoshan Steel Co., China / China Capital Iron & Steel Co. /China Huaneng Electric Power Company and also using in the famous Pudong Airport in Shanghai. These products will replace those ones, low in the properties made in Japan and USA. One made in Japan could operate for only 2 months and then it needs manual washing due to the adhesion / block. And on washing it, taps and acid washing make the filter core damaged. Under the same conditions, filter cores from our company have successively been operated up to now for 4 years without any manual washing. Welcome to contact us.My mob call:013961008427 Thank you.