Guan Ronvaux Filter Equipment Co., Ltd. products are as follows: YWZ / CYW liquid temperature gauge, HY37 strainer, YKJD level control relay, YD-type check valve, EF / QUQ, AF / PAF, C air filter, WU, XU oil filter, WF oil filter, TF oil filter, TFA Suction Filter, YCX oil filter, XU-B line gap filters, self-styled magnetic filter, NJU oil filter, ZU-A back to the oil filter, RFA back to the oil filter, RFB return filter, YLH back to the oil filter, QYL back to the oil filter, HU back to the oil filter, XNJ back to the oil filter, LXZS back to the oil filter, oil magnetic back filter, CWU Magnetic Filter, CGQ magnetic line filter, GU pressure line filter, ZU-H pressure line filter, PLF pressure line filter, RLF return pipe passing through the filter, DRLF large flow back oil filters, SRFA binoculars back to the oil filter, SRFB binoculars back to the oil filter, SZU binoculars back to the oil filter, SRLF binoculars return pipe passing through the filter, SDRLF large flow binoculars back to the oil filter, oil filter car series, HF hose connector assembly, KF pressure gauge switch, pressure hose and pressure joints, CY pressure measurement devices, pressure gauges, filters sender, ball series, pinch, strong coupling and other hydraulic pieces; absorbing oil return, return lines, pressure lines, binoculars back to the oil, oil absorption binoculars, binoculars and other high-pressure filter and matching filter. Professional production QUQ air filter, QUQ fuel tank cap, QUQ tank filler hole, QUQ filter, product models are as follows: QUQ1-10x0.25, QUQ1-10x0.4, QUQ1-10x1.0 QUQ1-20x0.25, QUQ1-20x0 .4, QUQ1-20x1.0 QUQ1-40x0.25, QUQ1-40x0.4, QUQ1-40x1.0 QUQ2-10x0.63, QUQ2-10x1.0, QUQ2-10x2.5 QUQ2-20x0.63, QUQ2- 20x1.0, QUQ2-20x2.5 QUQ2-40x0.63, QUQ2-40x1.0, QUQ2-40x2.5 QUQ2.5-10x1.0, QUQ2.5-10x2.0, QUQ2.5-10x3.0 QUQ2 .5-20x1.0, QUQ2.5-20x2.0, QUQ2.5-20x3.0 QUQ2.5-40x1.0, QUQ2.5-40x2.0, QUQ2.5-40x3.0 QUQ3-10x1.0 , QUQ3-10x2.5, QUQ3-10x4.0 QUQ3-20x1.0, QUQ3-20x2.5, QUQ3-20x4.0 QUQ3-40x1.0, QUQ3-40x2.5, QUQ3-40x4.0 QUQ4-10x2. 5, QUQ4-10x4.0, QUQ4-10x6.3 QUQ4-20x2.5, QUQ4-20x4.0, QUQ4-20x6.3 QUQ4-40x2.5, QUQ4-40x4.0, QUQ4-40x6.3 QUQ5-10x4 .0, QUQ5-10x6.3, QUQ5-10x10 QUQ5-20x4.0, QUQ5-20x6.3, QUQ5-20x10