1.Anti-corrosion,durable and long life-span 2.High precision of regulating 2.API607 and ISO9001-2000 3.Grade A2 Manufacturer Application ... JIS10K,30K 60KMaterial of parts BodyWCB,CF8,CF8M,Hastelloy B-2, Hastelloy C-276DiscWCB,CF8,CF8MStem310S,304,316LPackingPTFE, graphite Sealing ring ... , Bubble tightCertificatesWorkshop and Equipments Office buildingCompany mansion 100A-HTS Valvula de control