SHANDONG MINGWEI HOISTING EQUIPMENT CO.,LTD is located at Zhangqiu city, Shandong Province. It mainly focuses on developing and producing construction tower cranes and building hoists.

Our company was set up in 1994. Up to now, we have more than 800 employees and the production area is 200000 square meters, the annual sales volume is 500 million RMB. After two decades’ development, We not only have mature sales network in china, but also exported to many other countries, such as: CAMBODIA, VIETNAM, COLOMBIA, SAUDI ARIBIA, BRAZIL, MONGOLIA, AND SO ON. In 2010, we combined with Jinan Sanyisan International Trading Co., Ltd to expend more international markets. Taking "the good faith, diligence, persistent, and innovation" as the core idea, by the support of high technology and team service, we can always in the lead of the industry field.

Our main products are: tower crane series, topkit tower cranes, topless tower cranes and luffing tower cranes: QTZ10, QTZ20, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ125, QTZ160, QTZ315, QTZ260, QTZ400 and QTZ500. The lifting capacity is from 3T to 50T; Concrete machinery, such as mobile concrete mixing plant, stationary concrete plant from 25m3/h to 180m3/h; trailer concrete pump with both electrical and diesel engine; construction hoists with both single cage and double cages from 1 T to 4 T and other spare parts of tower cranes and construction elevators.

Warmly welcome all customers all over the world to visit our plant and negotiate businesses!Tower Crane Model：QTZ40(TC5008)
Basic Height（free standing height）/Max. Height：29m/120m
Range(radius, jib length, work range)：3---50m
Main Body Type(mast section, mast, tower body)/Material：∠160×160×12 angle steel/Q345B
Size of Mast Section, LXWXH：1500×1500×2200
Collar ties (anchors, adhered sections)Situation：Distance between first collar tie and the ground 22400mm
Other distance 16500mm
Suspension Height no more than 20m
Balanced Weight(counterweight)/Jib Length：8.54t/50m；7.1t/44m
Total Power:25.9Kw
Lifting Features Diagram: Loading chart
2 Times Multiplying (2 falls) magnification
Jib length (m) 3-21.4 22 23 24 25 26 27 28 29 30
Load (t) 2 1.94 1.85 1.77 1.69 1.62 1.56 1.50 1.45 1.39
Jib length (m) 31 32 33 34 35 36 37 38 39 40
Load (t) 1.35 1.30 1.26 1.22 1.18 1.14 1.11 1.08 1.05 1.02
Jib length (m) 41 42 43 44 45 46 47 48 49 50
Load (t) 0.99 0.97 0.94 0.92 0.89 0.87 0.85 0.83 0.81 0.80


4 Times Multiplying
Jib length (m) 3-10.966 11 12 13 14 15 16 17 18 19 20
Load (t) 4 3.98 3.64 3.36 3.10 2.89 2.70 2.54 2.39 2.26 2.14
Jib length (m) 21 22 23 24 25 26 27 28 29 30 31
Load (t) 2.04 1.94 1.85 1.77 1.69 1.62 1.56 1.50 1.45 1.39 1.35
Jib length (m) 32 33 34 35 36 37 38 39 40 41 42
Load (t) 1.30 1.26 1.22 1.18 1.14 1.11 1.08 1.05 1.02 0.99 0.97
Jib length (m) 43 44 45 46 47 48 49 50
Load (t) 0.94 0.92 0.89 0.87 0.85 0.83 0.81 0.80










Basic Parameter:

Hoisting
Mechanism Motor Model YZD200L1-4/8/24
Power kW 15 13 3.5
Reducer Total Drive Ratio i 12.64
Drum Rope Capacity m 280
Brake Model YWZ-250-40
Brake Moment of Force N•m 600
Wire steel Rope Rope Max. Attraction N 16500
Specification 6×37-11-1770-Ⅰ
Lifting Speed 2 Time Multiplying Power m/min 62 31 7.7
4 Time Multiplying Power 31 15 3.8
Slewing(swing) Mechanism
Motor Model YZR132M-6
Power kW 3.7
Reducer Model XX4-100.180
Drive Ratio i 180
Coupler Model YOX.280
Rotating Speed r/min 0.6
Trolleying Mechanism Motor Model YEZS112M-4/6
Power kW 2.2 1.5
Reducer Type Grade One
Drive Ratio 38
Wire steel Rope Specification 6×19-6.2-1770-1
Rope Max. Attraction N 5600
Trolleying speed m/min 22/33
Hydraulic Jacking Mechanism Hydraulic pump station Model YQY Series
Working Pressure MPa 20
Oil Cylinder Model 20.5
Jacking Speed m/min 0.4
Max. jacking Force t 50
Motor Model Y132M-4
Power KW 5.5
Jacking Speed r/min 1440