Produce variety of mechanical seals for pumps and labels ,the materials have (phosphor nitride, carborundum, horniness alloy steel and polytetrafluoroethylene etc.) We can solely design and manufacture variety of custom-made seals. Produce variety of screws, the materials have fine quality carbon steel,alloy steel and stainless steel . We can solely design and manufacture all custom-made screws. Produce : G1/2"～G4" kinds of high -speed joints . The materials are 316 and 304 stainless steels , the joint is sanitary and convenience , is the ideal joint of food,medicine transport, petrochemicals trades . |Single screw pump| |Screw pump special for sewage| |Stainless steel self-suction pump| |Three screws pump| |Other products| |简体中文| Add：16#, No. 3 Jinshan Road, C Area, Xinxing Garden, Ninghai County, Zhejiang, China Tel：0574-65563289,65238688 Fax：0574-65520202 Contact：ZhaoJianCheng M.T：013906602195 E-mail：china-nhb@china-nhb.com                               http：//www.china-nhb.com P.C： 315600