... - ISO9001: 2008 standard OEM/ODM are welcomed industrial o-ring kits:Product all kinds of industrial o-ring kits.Good ... Black, Blue, Green, Yellow, White and so on. Standard size as follows: [1]30 sizes, total 382pcs, AS ... [3]30 sizes, total 386pcs, JIS B 2401 standard, model no: 5C[4]32 sizes, total 407pcs ... sizes, total 419pcs, JIS B 2401 standard, model no: 8C Non-standard size is also allowed, such as ...