Vincent Steel (V. S. ) Corporation is professional manufacture of stainless steel objects and now mainly produces valve ball / stainless steel ball. V. S. Has perfect supply chain of production and equipments so that the process of casting, as-cast, polishing, packing and shipping are with Standard Operation Procedure. Meanwhile, V. S. Team owns sufficient expertise and experience to offer the regular & the customized (ODM/OEM) valve ball. In addition, V. S. Are also aggressively developing hardware parts, and therefore please contact us if any inquiry. V. S. Will offer you stainless steel valve ball and hardware parts with good quality and competitive price.