20 10 obtained the rubber shock absorber for construction machinery, patent number: ZL 201020152666.6 [9].
20 10 obtained "polyurethane composite damping block for hydraulic hammer", patent number: ZL200920027533.3 [10].
Rubber diaphragm for hydraulic hammer accumulator obtained in 20 15 and its manufacturing method, patent number cn201410740821.9 [11].
Rubber diaphragm (1) was obtained in 20 17, with patent number: ZL 201730026030.4 [12].
Rubber diaphragm (2) was obtained on 20 17, patent number: ZL 201730026242.2 [13].
20 17, rubber diaphragm (3) was obtained, patent number: ZL 201730026029.1[14].
Rubber diaphragm (4) was obtained on 20 17, patent number: ZL 201730026151.9 [15].
Rubber diaphragm (5) was obtained on 20 17, patent number: ZL 201730026150.4 [16].
Rubber diaphragm (6) was obtained on 20 17, patent number: ZL 201730026243.7 [17].
20 17 to obtain rubber diaphragm (7), patent number: ZL 2017006149.438+0 [18].
Rubber diaphragm (8) was obtained on 20 17, patent number: ZL 201730026148.7 [19].
Rubber diaphragm (9) obtained from 20 17 PatentNo.: ZL 201730026414.6 [20].
Rubber diaphragm (10) was obtained in 20 17, with patent number: ZL 201730026357.6438+0 [21].
Rubber diaphragm (1 1) was granted in 20 17, with patent number ZL20 1730026345.9 [22].
Rubber diaphragm (12) was obtained in 20 17, with patent number: ZL 201730026413.1[23].
On 200 17, the rubber diaphragm of hydraulic hammer accumulator was obtained, with the patent number of ZL200820022534.4 [24].
Rubber diaphragm (accumulator) was obtained from 20 17, patent number: ZL20 1730026028.7 [25].
20 17 was awarded "Bowl-shaped Rubber Diaphragm for Storage Battery" with the patent number of CN20 1720383 183.9.