由 ep | 1 月 19, 2023 | 产品目录
Item Description Merchandise Description 40-1R Roller chain’s specification:1, Plate substance: 40Mn Pin: 40Cr Bush and roller: 10# metaltwo, Colour: Blue., organic black, yellow are offered.three, Technics: advanced heat remedyfour, Normal: ANSI, GB, ISO, DIN5,...
