1.All kings of oil seal 2.Product by own factory 3.MOQ:10pcs 4.Supply ability: ... 500,000pcs/week 5. certification:ISO9001 1.oil seal2.registered trademarks ... ,TABTC,HTC,HTCR,HTCL,etcMaterial: NBR certificate 1: SGS certificate 2: GB/TI9001-2000 Standard or Nonstandard: Standard BrandName:heiyi/Tiger ...