Concave form pipe joint Model:3A01,3A01T Materials:3A01,stainless steel (machine tooling) Materials:3A01T,titanium alloy(70g) MOQ:15 PCS,can order small quantity as sample In artificial limbs industry,we are the first factory gained the certificate of ISO9001:2000,ISO14001:2004 and GB/T28001-2001 auditted by China Certification & Inspection Group Quality Certification Ltd(CCIC) for all the products.