... 4.good payment and after-sale service Adapter sleeveMaterialcast iron or chrome steel(GCR15) or ... enjoy great reputation in North America.Adapter sleeve(H200 series)H204,H205,H206,H207,H208,H209,H210 ... ,H3180,H3184,H3188,H3192,H3196Adapter sleeve(H3000 series)H3024,H3026,H3028,H3030,H3032,H3034,H3036 ... ,H3080,H3084,H3088,H3092,H3096Adapter sleeve(H2300 series)H2304,H2305,H2306,H2307,H2308,H2309,H2310 ...