Borise focus on the oil seals of polyurethane materials, for now, we can supply various seal kits of premium quality for basicallly all the models of hydraulic breakers/hammers. and we can supply the oil seals for the whole excavator machine, which includes boom seal kit, arm seal kit, bucket seal kit, hydraulic pump seal kit, control valve seal kit, center joint seal kit, travel motor seal kit, swing motor seal kit, track adjuster seal kit and pilot valve seal kit. We can supply the individual sealing components and accept the customization. We're developing the oils seals in more industries as oil seals for Wind Energy equipment, Coal mine machinery, crane etc. The valve insert (valve rubber) for mud pump plunger is during testing and will launch soon. we expect it can be used in mining machinery soon.

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