OEM FKM/Fluoro butterfly valve seat seal DN500 Packaging & Delivery Packaging Details Polybag and carton ; carton SIZE 47*38*34cm Port Shanghai / Ningbo Lead Time : Shipped in 0 days after payment We will always provide customers with after-sales consulting work. SJK's main products are O ring, ED ring, rubber gasket, rubber cord, and other standard seal products, as well as customized products. Meanwhile, SJK provides professional solutions of raw materials' application, development, and sales.