khop-noi-xoay-khi-nen-thuy-luc-kwang-jin-kr2221 Published 07/03/2018 at 716 × 477 in Khớp Nối Xoay 3 Lỗ Khí Nén Thủy Lực KWANG JIN KR2221 15A 20A 25A 32A 40A 50A 65A 80A ( Ren 21, 27, 34, 42, 49, 60, 76, 90mm)