... They have characters below Tong Xiang metal material Co., LtdProductClampMaterialCarbon steel,stainless steelStandardISO,DIN,SMS,IDF,3ACertificationISO9001Sizeany ... clamp,spring clamp, T clamp,F clamp,G clamp,saddle clamp.PaymentT/T or L/CSurface treatmentgalvanizedThreadNPT ... requirements.Delivery timeAccording to the detailed information T bolt hose clamp, stainless steel hose clamp, ...