Standard ASTM B861/ B862/B337, ASME B338 Material Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.11, Gr.12 Size OD. 6mm~13mm Max Length 4m OD.13mm~114.3mm, Max Length 15m WT.0.3mm~12mm ? Our Advantages Cost Control We manufacture and export by ourselves Price Control We insist Most Attractive Marketing “factory to customer” High Quality We own Most Powerful Support: Certificate ISO9001:2008 approved by SGS, AS9100, and now we are doing ISO13485. Our manufacturability has been evaluated by TUV Short Delivery Within 5weeks once received the deposit Logistics Advantage We are VIP of DHL, FEDEX, UPS and TNT, choose us you will save a lot of money on express Inspection We accept third-party (BV or SGS ...) inspection before delivery