... , hydraulic, marine and general hardware applications. Our Company is the manufacturing operation of an USA company in China , We are certificated to ... ISO9001:2008 , ROHS, TUV. The main products : American type hose clamp , German type hose clamp , T-Bolt clamp , Singer Ear hose ... How to prove your products quality? Which standard of SAE do you meet? What is the standard code? A: We don't have model ...