Mã sản phẩm:
Danh mục: Flk 9656
Chúng tôi là nhà phân phối các sản phẩm của FLK tại thị trường Việt Nam, Quý khách có nhu cầu về các sản phẩm của FLK vui lòng liên hệ trực tiếp với chúng tôi để được tư vấn nhanh hơn. Hotline: 0974190088/Zalo
Email: vuonguoc@gmail.com
FLK hộp giảm tốc vuông góc cốt dương
Một số model bán chạy:
11.98-M4D350 20-YVP0.75KW-B6 25GR89-82.27-Y1.1-4P 40-Y200B5 72.39-M1-A-1.5KW-4P 80BWD15-11 80KAB107DRN180M4 B-D30RF37-1.1 BK500-Y200kW-4P-17.35-M1-IV BK500-Y200kW-4P-24.43-M5-II BK600-Y132kW-4P-33.41-M4-I BK600-Y160kW-4P-17.27-M3-IV BK600-Y160kW-4P-35.37-M5-IV BK600-Y200kW-4P-45.73-M5-IV BK600-Y55kW-4P-114.8-M6-I BK600-Y90kW-4P-53.64-M1-IV BKA375-Y55kW-4P-27.67-M1-II BKA450-Y110kW-4P-18.37-M1-IV BKA450-Y160kW-4P-12.65-M4-III BKA500-Y160kW-4P-24.21-M5-II BKA500-Y90kW-4P-17.28-M2-I BKA500-Y90kW-4P-42.74-M2-III BKA600-Y200kW-4P-25.41-M2-III BKAF315BR77-Y0.55kW-4P-1869-M5 BKAF450-Y132kW-4P-14.92-M1-IV BKAF450-Y55kW-4P-12.65-M4-III BKAF68-7-14-M4-Y5.5KW-4P-IP58-FW BKF375-Y55kW-4P-17.77-M4-I BKF450-Y55kW-4P-54.29-M1-II BLD10-17-0.75W BLD11-1-1.1 BLD120-11-1.1KW BLD120-43-370WFAT157-Y22-4P BLD120-43-370WKAF57-0.18 BLD12-11-0.75 BLD150-17-1.5 BLD17-11-37-4P BLD180-11-4 BLD18-11-5.5KW BLD18-11-55-4P BLD18-35 BLD1-9-2.2KWF67 BLD220-11-7.5-4P BLD22-11-11KW BLD270-11-15KW-4P BLD27-11-15-4P BLD33-11-22KW-4P BLD35-20-0.37 BLD450-11-37 BLD550-11-45 BLD9135C-195-1.1 BLE20-1225XLDY-8 BLED550270-187-11KWK57-YEJ1.1-4P-30.28-M4-0 BLEY121-1849-0.55-0.75-0.37kw BLEY1512-253 BlY39-35-18.5 BlY550-43-37 Bmtjaf87-yvp4-4p-79.34-m1-b-0 BWD11-17-1.5kw-4-B5 BWD13-1 BWD150-11-1.5KW BWD15-11 BWD15-11-1.5 BWD15-11-18.5 BWD16-11-22KW-4P BWD2-17-4kw BWD2-17-YVP3 BWD29-12-1.1RF BWD2-9-3KWYVP BWD330-11-18.5 BWD390-11-22KW BWD39-11-22KW BWD4-29-Y7.5-ZP BWD45-11-37 BWD4-87-Y3-ZP_3KW BWE63-187 BWED BWED10-2537-Y0.75 BWED-41-187-2.2 BWED42-187-Y2.2-CZ BWED52-187-4kw BWED52-187-y3 BWED85-391-Y15-ZP BWN12-2.2kw BWY12-47-0.37KW-4P BWY22-9 BWY270-71-4KW-4P BWY2718-187-3kW BWY6533-5.5-3481 CGP2NB10-1 CH32-1500-30S CRL77 CRL87 CRLa47-18.9-M1.1-V22-V3-90 CRLa67-12.1-M4-V22-B65-180 CRLa97-12.1-M18.5-V22-B51-90 CRLb77-74.7-M0.75-V22-V1-180 CRLb97-6.1-M30-V22-V1-0 CRW107-53-Y5.5-B3 CRW47-10.7-Y-2.2-B3-0 CRW67-137.2-M0.18-V22-B8-90 CRW67-17-Y0.75-B3 CRW67-6.92-M5.5-V22-B8-90 CRW87-11.83-M15-V22-B3-0 D112M4 D160L4 D180L4 D225M4 D250M4 D77YEZ112S-4NA49 D90S4 DLFA05-41DMP112M-4-E1-M1-T3 DLFAF02-17-DM71M-4-M1-R-0.37kw DLK10-31-DMP180L-4-S:A-MI-T-22KW DLR04-94-DM132M-4 DLR05R02-1.5-DM63M-4-ERF77 DLR06-22YGP-160s2-6-b5-E-M1-L DLR07-49-DM132M-4 DLR07R04-0.43-DM63M-4-E DM100L4 DM100M4 DM112M4 DM132S4 DM200L4 DM225M4 DM280S4 DM80M4 DM90M4 DRE132S4 DRE180LC4 DRN100L4 DRN180M4 DRS132M4BE11 DRS132S4BE11 DRS160S4BE11 DRS180L4BE30 DRS225S4BE30 DRS250M4 DRS71S4BE05 DRS80M4BE2 DRS80S4BE1 DRS90L4BE5 DRS90M4BE2 DT71D4 DT80N4 DT90L4 DT90S4 DV1 DV112M4 DV160L4 DV180L4 EA57Y90S-4P-31.7-H1-A EA97Y132M-4P-6NA20-H1-A EJ37-4P-11 ERF97-Y7.5-4P-37.05-M4-φ350R57DRS132M4BE11 ERF97-Y7.5-4P-37.05-M4-φ350R87DRE180LC4 F87-Y3-4P-123.48-M5-B-D60-ZPIEC F87-Y5.5-4P-26.5-M1-180° FA157-YEJ37-27.56-M1-90°GKAT79-Y4-4P-30.76-M1-IEC FA67-157.09-YEJ0.55-6P-M1-C1 FA87-Y15KW-4P-1 FA97-66.14-M3-160B5 FAF67-NA65-YVP3-M4-0 FAF77-Y132M-7.5KW-21.43 FAT15 FAT157-Y FAT157-Y22-4P FAT157-YEJ37-4P-117.5 FAT157-YP37KW-4P-117.5-M4-0° FAT57DM80S4 FAT87R57-Y0.18KW-4P-1148-M3-90°GSA FEETECH FF87-Y100L4-3.0-88.01-M4-0°-S02 FGM100-14 GFA37-Y0.75-4P-28.09-M6 GFAZ67-Y3.0-27.41-M3 GK99-YEJ3-6P-123.93-M1-B GKF77-Y7.5-4P-25.66-M4 GMTD67-Y1.1-4P-70.503-M1-0 GR139-YVP55-4P-5.15-M1-180 GR169-Y30-4P-23.71-M1-ZPIEC GR57-Y1.5-4P-37.3-M2-180 GR77-Y1.5-4P-92.97-M1 GR89-YEJ1.1-4P-125.51-M1 GRF57-YEJ1.1-4P-43.30-M4-160-0-3 GRF97-Y11-4P-33.25-M4-Φ350 GRX87-5.5-4P-3.09 GRXF157-YVP45KW-4P-2.37-M1-φ450-270-2 GS87-Y4-4P-57-M3-A-B-270 GSA37 GSA47 GSAF87-Y3-4P-123.48-M5-B-D60-ZPIEC GSAT67-4P-85.5-M1-B-0 GSAT67-Y1.5-4P-24-M1-D45 GSAT77-Y2.2-4P-85.22-M1-A-60-90-I GSAT77-Y3.0-4P-53.87-M1-B-0 GSAT77-YB4P-56.92-M1A-180 H3SV6-90-D JRSTD130-15-132B JRSTD150-100-4kw JRSTD40-40-0.25KW JRSTD40-50-0.25KWRX87 JRSTD90-60-90B5 JRTR167D280S4 JRTR57-YVP3-4P-6.41-M1 JRTRX107D160L4-5.5-M5-0 JRTRX157D225M4-4.04-0 JRTRX37D112M4 JRTRX37D160L4 JRTRX37D280M4 JRTRX37D280S4 JRTRX37D90S4 JRTRX57D112M4 JRTRX57D112M4-3.46 JRTRX67D160L4 JRTRX87D160L4-3.09-M1-0 JRTRX97D180L4-4.52-M4-0 JRTRXF137D250M4-3.9-M4-90 JRTRXF77D160L4-2.71 JWB-X3-190F JXJ3-43-2.2kw JZQ500-23.34-3CA K107-Y5.5-4P-112.41-0°-B K127-YG75-19.51-M1-0-ASWL15M-1-B-II-200-FZ K167-Y37KW-4P-67.83-M2-0°-B K47-22.0-M0.25-A-B11-180 K47-25.0-M0.55-A-H4-180 K47-27.9-M0.37-A-B81-90 K47-Y1.5KW-4P-21.81-M4-0°-B K57-35-1-YVP1.5kw-M4-A-270 K57-Y0.75-4P K57-Y1.1-4P-57.42-0°-B K57-Y1.1KW-4P-69.12-180°-B K57-Y2.2-4P-13.25-0°-B K57-Y2.2KW-4P-30.28-M6-AB K57-YVP0.37KW-4P-90.26-M6-270-A K57-YVP2.2KW-4P-76.56-M4-180°-AB K67-Y0.75-4P-78.27-M4-270-AB K77-6-132B5 K77DT80K4 K77-NA22-100B5-B K77-Y2.2-4P K87-Y7.5 K87-YP15KW-4P-12.72-M1-180-B K97-NA45-B-M1- KA107-110.83-160B5-M3 KA127DM200L4 KA127DRE180M4 KA127DRN180M4 KA157-Y18.5-4P-150.41-M6-B KA37D KA37DM100L4 KA37DM112M4 KA37DRS90 KA37DRS90L4BE5 KA37-YEJ0.75-4P-37.97-0-AB KA47DM100L4 KA47DRS71S4BE05 KA47DRS80S4BE1 KA47DRS90L4BE5 KA47DRS90M4BE2 KA57DM100L4 KA57DM112M4 KA57DM90M4 KA57DRS132M4BE11 KA57DRS160S4BE11 KA57DRS80S4BE1 KA57DRS90M4BE2 KA57-Y2.2-4P-11.92-180-B KA57-Y2.2KW-4P-11.26-M1-180°-A KA67DV100M4 KA77-113.56-Y2.2-4P-M1-C2 KA77-Y11-4P-12.36 KA77-Y5.5-4P-M1 KA77-YP5.5KW-4P-36.46-M4-AB KA87-102.71-YVP4kw-M1-270 KAB107DM200L4 KAB107DM225M4 KAB107DM225S4 KAB107DRN180M4 KAB107DRS180L4BE30 KAB57-Y3-4P-17.57-M4-270-A KAB97-62.55- KAF107-49.2-Y18.5B57 KAF127-90KW-4P KAF157-22KW-4P KAF47-19.0-AE0.25-A-V KAF47-22.0-AE0.55-A-H3 KAF47-25.0-AE0.37-A-B6 KAF57-0.37 KAF57-1.1 KAF57-2.2 KAF57-3 KAF57-Y0.55-4P-123.85 KAF57-Y1.1KW-4P-24.05-B KAF77 KAFF-30.89:1-DV132M4-M1-270 KAZ167-YVP45-4P-36.2-M6-180-A KAZ47DM100L4 KAZ47DM80M4 KAZ47DRS90L4BE5 KAZ47DT71D4 KAZ47DT9 KAZ47DT90L4 KAZ47DT90S4 KAZ47DV112M4 KAZ57-Y1.1-4P-38.49-M4-A KAZ57-Y1.1-4P-60.81-M6-0-AB KAZ57-Y1.5-4P-22.71-270-A KAZ57-Y2.2-4P-30.28 KAZ57-YVP3-4P-30.28-180-B KAZ67DM KAZ67DM100M4 KAZ67DM132S4 KAZ67DRS132M4BE11 KAZ67DRS160S4BE11 KAZ67DRS80M4BE2 KAZ67DRS90M4BE2 KAZ67-Y3-4P-17.54-M1-0-AB KF127-YGP37-4P-40.42-M6-0-AB KF57-35.7-1.5kw-m4-A-180 KHB187-RF-F-107-842-YEJ15KW-4P-M4-J1-ZY KHB187-YV22-4P-180.78-M4-0°-AB KHB57-Y2.2KW-4P-9.59-M4-0-AB KTK07-29.27-Y4KW-4P-M1-J2- KV77D KV77DM100M4 KV77DM132S4 KV77DRS132M4BE11 KV77DRS90M4BE2 KV77DT80N4 KV77DV112M4 KW87A-62.4-M4-B62 MB07Y-0.55XW3-11B3 MBW40Y-3-XWD4-9 MJ99-V15-4P-270-24.74-M4 MPA87-Y4-4P-67.66-M3-90 MPAF47MD37-Y2-0.12KW-4P-2519-M3-90DLR10-28-S6-M1 MTD137-22KW-4P MTD137-55KW-4P MTD57-5.5KW-4P MTD77-Y3-4P-17.11-M1-0| MTD97-YEJ15-4P-27.52M1-0 MTDX67-0.75KW-4P MTJAF97-YEJ1.5-6P-166.26-M5-90(70H7) MTJF127-Y18.5-4P-49.84-M5-A-270-D=350GR99-116.48-Y2.2-4P MTNA47-YEJ0.55-4P-33-M1-90°-3-D30 NMRV050-25-80B5 NMRV75-Y1.5-25-DZ NMRV9025-100B5-F-M4-0 P=5.5KWJRTR87DE180S4 P06-120.79-YEJ0.75kw-4P-M1-A P157R97-Y0.55-4P-4682-M1-270°BWY3-9-(3) P157R97-Y0.55-4P-4682-M1-270°TKF158-Y37-4P-31.3-M5-A P2SH10-22.4-B P3NBS108P R107-Y18.5KW-4P-22.62-M1-180 R137-102.56-YVP7.5kw R16-73.3-YVPEJ30-4P-M1-J2 R27-Y3KW-4P-6.59-M1-180 R37-Y0.12KW-4P-134.82 R37-Y0.55KW-4P-69.33-M1 R37-Y0.75-33.49-M1-0 R37-Y1.1-39.17-180° R37-Y1.1-4P-105.28-M5-270 R37-Y1.1KW-4P-33.49-M5-270 R37-Y1.5-4P-3.41-M5-90° R37-Y2.2-18.53-180° R37-Y3KW-4P-11.83-M4 R37-YV1.1-13.25-180° R37-YVP1.1-5-180° R47-Y0.75-4P-139.99-0 R47-Y1.5-4P-12.54-M1-270 R47-Y1.5KW-4P-56.73-M1-0 R47-Y5.5KW-4P-12.54-M5-0° R47-Y5.5KW-4P-3.83-90° R47-YB0. R47-YB0.75-4P-56.73 R47-YEJ1.5KW-4P-100.86-M1-180° R47-YV1.5-4P-100.86-M5 R57D R57DM90M4 R57DR R57DRN100L4 R57DRS132M4BE11 R57DRS132S4BE11 R57DRS160S4BE11 R57DV R57DV112M4 R57DV160 R57DV160L4 R57-Y1.5KW-4P-27.69 R57-YVP0.75-4P-8 R67DRE132S4 R77DRS112 R77DV132M4 R77DV132S4 R87-AD3-132S R87DRE180LC4 R87DRN100L4 R87DRN180M4 R87DV112M4 R97-9.29-AM160-M1 R97DM90M4 R97DRE180LC4 R97DV180L4 R97-YV4-4P-112M-M4-0 RCL137-Y11-4P-59.51-B5-φ450-II RCL97-Y3-4P-33.25-B5-φ450-IV RCW107-180B5-20.93-W1 RCW167-Y110-4P-59.27-W2-III RCW67-Y0.75-4P-10.00-W6-I RCW67-YVP0.75KW RF107-20. RF107AM180-15.65-2.3-18.5KW-4P-SJ110电 RF147 RF17-Y0.25KW-4P-16.99-0°-φ140 RF17-Y0.37KW-4P-24.07-φ140 RF17-Y0.55-4P-19.17-M4-140 RF37-1.5 RF37-2.2 RF37-3 RF37-Y0.18-4P-105.28-M1-D140 RF37-Y0.25-4P-135.6-M1-90°-D140 RF37-Y0.37-4P-48.08-0°-D200 RF37-Y0.75-4P-84.61-M4-φ160 RF37-Y1.1-4P-69.33-M1-D160 RF37-Y1.1KW-4P-61.18-M1-0°-D140 RF37-Y2.2-4P-5.06-0°-φ140 RF37-Y2.2KW-19.31-M1-D160 RF37-Y2.2KW-4P-28.73-M4-0-φ140 RF37-Y2.2KW-4P-28.73-M5-270-φ160 RF37-Y3-4P RF37-Y3-4P-11.83-M4-0°-D200 RF37-Y3-4P-13.25-0°-φ160 RF37-Y3-4P-7.71 RF37-YEJ0.37-4P-61.18 RF37-YV3-4P-7.71-φ160 RF37-YVE3-4P-13.25-M1-0°-D160 RF37-YVP0.55-4P-123.66-M1-90°-φ140 RF37-YVP1.5KW-39.17-180°-φ140 RF47- RF47-0.75 RF47-1.5 RF47-3 RF47-4 RF47-5.5 RF47-Y0.55-4P-121.87-M4-0°-φ200 RF47-Y0.75-4P-173.1-M1-D200 RF47-Y0.75KW-4P-54.02-90°-φ140 RF47-Y2.2-4P-12.54-M1-90°-D200 RF47-Y2.2KW-4P-11.97-M4-180°-D200 RF47-Y3-4P-1 RF47-Y3-4P-11.79 RF47-Y3KW-4P-21.81-M5-0°-φ140 RF47-Y5.5KW-4P-5.64-M1-90°-φ200 RF47-YB2.2KW-4P-4.85-M1-0°-φ200 RF47-YEJ4-4P-11.79-180-D160 RF47-YEJ4KW-4P-14.56-M5-D160 RF47-YVP0.75-4P RF57DRS132M4BE11 RF57DRS132S4BE11 RF57DRS160S4BE11 RF57-Y4-4P-15.01 RF57-YEJ1.5-4P RF77DV132S4 RF87DRN180M4 RF87-YB15KW-1 RF97DRN100L4 RF97DRS225S4BE30 RV50-1 RV63-7.5-90B14-90B5 RV63-RV40-0.37-160 RW47-9.07-YB-1.1-b3-0 RX37 RX57 RX67 RX77 S57-Y1.5-4P-30.12-M2-0-B S67-I S67-Y1.5-4P-29.63-M3-0-A-B S87 SA45DRS71M4M4B SA47-YGA0.55KW-4P-17-M1-270°-A SA57DT80N4 sa57-y1.5-4p-32.8 SA67-D90S4-65.63-D140-M1 SAF107-65.1-11kw SAF37-NA20-0.37kw-M6-A-90 SAF67-NA7.8-Y1.5KW-6P-A-m1-270 SAF77-63.28-YVPEJ3kw-M4 SAZ47Y2-80K4 T97DRN160L4BE20HF TDRN100LS42.2KW TDRN132S4 TF TF-1.6-M5-0 TF-10.63-M2-270° TF-102.1-M3-0°-A TF-102.9-A TF-104.37-M4-AB TF-116-0-A TF-117.1-M4-90-A TF-12.14-M1-0-B TF-12.19-M5-0°-A TF-12.48-0-A TF-12.48-M4-0-B TF-123.85-M1-270-B TF-128.52-180-A TF-128.52-A TF-13.4 TF-13.65-0-A TF-14.37-0-B TF-14.42-270°-B TF-15.01-M4-90° TF-15.42-M1 TF-15.86-A TF-157.09-M3-180 TF-16.75-M1-0-A TF-17.17-M3-A TF-172.17-M1-90° TF-185.97-M1-0-D450 TF-19.34-90°-A TF-19.67-M4-0-AB TF-21.65-180°-A TF-21.65-M4-0-B TF-22.37-M2-0°-φ450 TF-22.62 TF-25.03-270° TF-26.97-M2-90° TF-27.28-A TF-289.74-M2-180 TF-2-90° TF-30.18-180 TF-33.25-M2-φ350 TF-36.07-M5- TF-36.46-M1-0°-B TF-36.46-M1-90°-B TF-37.97-A TF-39.61-M4-0-B TF-40.1-M3-0-A TF-44.22-180 TF-44.43-AB TF-46.03-0-A TF-47.51-0 TF-47.81-M2-270° TF-48.87-M4 TF-48.89-0°-A TF-48.89-M1-A TF-49.32-0 TF-52.96-M1-0-B TF-53.14 TF-53.22-0 TF-56.83-M4-A TF-57.42-M1-90-A TF-58.44-0-A TF-6.07-φ250 TF-60.81-180°-AB TF-60.81-M2-0-AB TF-62.83-M6-0°-A TF-63.27-M4-90°-B TF-69.09-A TF-76.37- TF-76.56-0-B TF-78.92-M4-B TF-8.86-M1-0-φ250 TF-8.86-M1-D160 TF-83.77-0°-A TF-89.1-90°-B TF-9.59-270-AB TF-90.86-M2-0-A TF-90.96-M4-180 TF-97.05-M3-180°-A TK108-E22-8P-141-93M01-1-B TKAF108-B7.5-4P-110.83-M1-11-A TKAF108-Y7.5-4P-56.37-m5 TKAF4-B1.5-4P-11.77-M5-II-A-CCW TKAF87YVP4-4P-78.41-H2-B TKF158-Y37-4P-31.3-M5-A TR168-Y22-4P-120.99-M1-1 TR38-84.61-MY63L4-BMG-M1 TRF18 TRF28 TS98-VE5.5-4P-83.31-M1-II-A TWPA100-10-B VS-27.28-M1 WBE1510 WD-989-250 WJ110-100-90B5 WJ110-15-132B5 WJ130-10-132B5 WJ130-25-132B5 WJ130-30-132B5 WJ130-50-132B5 WJ150-10-160B5 WJ50-25-80B14 WJ50-60-71B14 WJ50-80-71B14 WJ63-60-80B14 WJ90-10-112B5 WJ90-30-100B5 WJ90-60-90B5 WPDA120-1 WPDS120-10-3 WPDS135-15-3 WPDS147-10-3 WPDS147-10-4 WPDS147-20-4 WPDS147-30-3 WPDS147-60-4 WPDS155-15-4 WPDS155-15-5.5 WPDS155-30-4 WPDS155-60-4 WPDS175-10-5.5 WPDS175-40-7.5 WPDS200-15-11 WPDS200-30-11 WPDS200-50-7.5 WPDS70-10-0.37 WPDS70-40-0.75 WPDS70-60-0.37 WSA37-Y0.25KW-4P-51.3-A WSAT57-Y0.75-4P-71.75 WSAT67R37-Y0.37KW-6P-281-M3-270 WSAT77-Y3-4P WXJ120-39-4 XLD2-47-0.75-1.1-0.55kw XLD4-23-Y4-M1-ZP XLD95-7569-1.5-6kw XWD2.2-4-17 XWD22-9-17 XWD23-4-4RF XWD3-35:1-1.1kw XWD4-17-3 XWD5-23 XWD5-23-4KW XWD6-59-4KW XWD9-47-15 XWDC8115-43-1.1 XWDY1-35-0.25 XWED0.18-8145A XWED106-1505-2.2 XWED117-493-4-4P XWED31-289-0.37 XWED31-289-0.37-0.55-0.25kw XWED32-289-0.75KW XWED42-289-0.37-4P XWED43-289-0.75KW XWED53-289-1.1KW XWED54-289-2.2KW XWED63-2 XWED64-289-1.1KW XWED74-289-3-4P XWED84-289-1.5KW XWED85-121-YEJ7.5 XWED85-289-5.5 XWED95-289-5.5-4P XWED96-289-4KW-4P XWEY63-473-1.5-2.2-1.1kw Y11KW-6P YE2-112M-4 YEJ0.55KW-6P-2208-M6-270 KAZ67DRS132M4BE11 YEJ0.55KW-6P-2208-M6-270 KV77DRS132M4BE11 YX3-200L2-6-02-1 Z67DM100M4 ZQ350-48.57-1 RF37-Y0.55KW-4P-73.96-M5-D200 KA127DM280S4 KF57-Y1.5KW-4P-44.43-M1-0-B R37-Y1.1KW-4P-7.97-M1-0°
FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương FLK hộp giảm tốc vuông góc cốt dương