Enterprise with 15 years experience in this field what you are waiting for? Good quality and competitive price. Usages1.Jewlley and golds miths washing for example-Ring,necklace,earing,watch-nand etc.2.Personal objects in daily life:for example-Glasses,contact lens,combs,toothbrush,knife and fork.3.Others:for example-Computer printer head,hospital and medical equipments,electronicand machinery ...