Guangzhou De YuLong Machinery Co., Ltd. is in Guangzhou city, where the biggest wholesale market of excavator parts located in China.

We have been focus on offering high quality and low price excavator parts and oil seal kits for markets in the worldwide, including boom/arm/bucket hydraulic cylinder seal kit, control valve seal kit, pump seal kit, center joint seal kit, swing/rotary motor seal kit, travellinremote controlg motor seal kit, o-rings, o-ring replacement box, chain adjuster seal kit, valve seal kit, coupling seals, floating seals, shaft oil seals and hydraulic parts. With about 20 years experience in the industry, we are known as excellent products, highly cost fective, honesty and trustworthiness and outstanding service amount our clients. We are professional in offering the genuine parts and high quality oil seal kits for excavator Caterrpillar, Komatsu, Sany, Hitachi, Hyundai, Doosan, Deawoo, amsung, KATO, Sumtomo, Volvo and Kobelco. Wide range Products series and various sizes help you achieve one-stop shopping and grantee the quality and service, as well as can save your time. Choose us, choose the much bigger market.

During the last two decades, we have been kept making efforts to promote the situation and keep researching the market and products. Now we have the series of oil seals and seal kits like: Hydraulic Cylinder Seal Kit(Boom Arm Bucket cylinder seal kit), control valve seal kit, pump seal kit, swing motor seal kit, travelling motor seal kit, center joint sea kit, chain adjuster seal kit, remote control valve seal kit, gear pump seal kit and orings(NBR HNBR FKM EPDM Sillicon etc. ), oring replacement box, shaft oil seal, floating seal, PU+alum pilot pusher etc...The genuine brand oil seals: NOK, Hallite, Parker, TTO, WYS, YCC, KYB, SOG, PET, ECHO, Duci etc...

Our prodcts can use in the Caterrpillar, Komatsu, Hitachi, Sany, Hyundai, Doosan, Deawoo, Samsung, KATO, Sumtomo, Volvo and Kobelco, JCB excavator, are known as the excellent performance, competitive prices and immediate response service. Contact us for more details and we will reply ASAP.