China best torque limiter factory manufacturer & supplier EPT 4ton Qtz50 Tower Crane with top quality & best price

China best torque limiter factory manufacturer & supplier  EPT 4ton Qtz50  Tower Crane with top quality & best price

We – EPG Group the largest gearbox & motorIn the shaft-to-shaft configuration, the Torq-Tender can accommodate angular shaft misalignment up to 1.5° and parallel misalignments from .005” to .015”. The enclosed design and style of the mechanical torque limiter permits it to function in a broad range of industrial environments. Unique designs and materials can be utilized to face up to even the most adverse situations.s , torque limiter couplings and gears manufacturing unit in China with 5 distinct branches. For much more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828

The ten advantages of DaHan tower crane 

  1. With fifty six,000 sets of market place quantity and exceptional reputation, EPT tower crane ranks the first place in China tower crane ept in the past many years. EPT constantly adheres to the worth that supply the most beneficial tower crane and services for the customer, with the maximum price efficiency in the industry. 



2. EPT tower crane owns the major technologies R&D team, the item high quality handed numerous experiments with strict tests. In any other case, EPT has sixteen years of production technological innovation and rich experiences in quality administration. Until now, above one hundred national engineering patents of tower crane have been put into use presently.


three.In buy to promise the reliability of tower crane top quality and decrease the value, all raw resources are right provided by famous brand names like Baosteel and Wisco. Raw components for principal parts such as regular section primary limbs, tower caps adopt Q345B metal, as a result the tensile strength improved by thirty% and the tower crane gets far more secure and dependable. 


4.Dahan tower crane is the enterprise which firstly started out to use the robot welding strains. At current, we have a fully computerized robot welding production line for mast sections fabrication produced up by much more than one hundred welding robots. The production line is composed with automated material planning, welding and maching. All principal parts of Dahan tower crane use robot welding, with the most ept carbon dioxide combined with argon gas shielded welding, it has deep depth of fusion, large high quality of welding and stable performance.


five. All areas and parts of EPT tower crane use quality manufacturers. Electric powered products with Schneider converter, aviation plug, stainless metal distribution box and three linkage console has characteristics of lower failure charge and effortless installation.
Hoisting mechanism is provided by major maker Jiangte Motor or HangZhou Shengjian, all with engine oil, cost-free routine maintenance, substantial dependability and minimal servicing fee.
Slewing assistance utilizes HangZhou Fangyuan brand or Rothe Erde model, two times tempering processing helps make more effortlessly operation and for a longer time tower crane service lifestyle.


6. Focus to detail high quality.  High-toughness bolt undertake shipborne scale DACROMET technology. It can preserve not rusted for ten many years .Swiss screw-thread bolts of preload promote 30 % than classic bolts. Bodyweight limiter employs the tension ring construction and forged aluminum shell utilised Hoisting, derric ept restricting stopper to increase services daily life.



7.Big constructions as mast section, switch able, prime package and hoisting jib undertake advanced products as NC machine resource, drilling equipment, milling equipment processing after welding. That successfully assures items assembly accuracy, minimizing the failure rate and strengthening the stability.


eight.12 automated spraying assembly line, the complete machine undertake impeller blasting to make sure the cleanliness of metal surface area and eradicate the inside pressure producing in welding procedure, boost the strength and metal area hardness, improve painting adhesion. Two primer, a paint spraying engineering, gorgeous look, corrosion resistance has improved a lot more than twice than the daily life of regular spraying method. System, the tiny vehicle, fence and other tiny items adopt hot dip galvanized right after acid phosphate remedy, rust resistance more robust.


9.Hoisting, derric ept and slewing system, with complete basic safety these kinds of as torque, weight limit. The metal wire rope broken rope system. Range of the automobile style in opposition to reduction and broken shaft, these kinds of as tilting system. The electrical adopts overload safety, the style of PLC self-diagnosis technique, it really is hassle-free to maintenance.



ten.Dahan three creation bases is ZheJiang , ZheJiang , ZheJiang .  EPT tower crane are exported to much more than fifty nations around the world and areas. We have more than a thousand sets after-revenue provider network. We carried out the earliest stagnation point support mode in this tower crane ept that ensure the quality of support and efficiency. Otherwise, better to eliminate customer’s concerns.



Relevant tower crane product specs

Product Max load Jib length Free standing height Idea load Mast part dimensions
QTZ50(4810) 4t 48m 29m 1t 1.5×1.5×2.2m
QTZ50(5008) 4t 50m 29m .8t 1.5×1.5×2.2m
QTZ63(5013) 5t 50m 38m one.3t one.5×1.5×2.5m
5t 50m 38m one.3t 1.6×1.6×2.5m
5t 50m 42.5m one.3t one.6×1.6×2.8m
6t 50m 40m 1.3t 1.6×1.6×2.5m
6t 50m 42m one.3t 1.6×1.6×2.8m
5t 50m 36.5m one.3t one.2×1.2×3.0m
6t 50m 44m one.3t 1.2×1.2×3.0m
QTZ80(5610) 6t 56m 42m 1.0t one.6×1.6×2.8m
6t 56m 44m one.0t one.2×1.2×3.0m
QTZ80(5612) 6t 56m 40m 1.2t one.6×1.6×2.8m
QTZ80(5613) 6t 56m 42m one.3t 1.6×1.6×2.8m
6t 56m 44m one.3t one.2×1.2×3.0m
QTZ80(6571) 6t 60m 40m 1.0t one.6×1.6×2.8m
6t 60m 45m one.0t one.8×1.8×2.8m
6t 60m 44m one.0t 1.2×1.2×3.0m
QTZ80(6012) 6t 60m 40m 1.2t one.6×1.6×2.8m
6t 60m 45m 1.2t one.8×1.8×2.8m
6t 60m 44m 1.2t 1.2×1.2×3.0m
QTZ100(6013) 6t 60m 40m 1.3t 1.6×1.6×2.8m
8t 60m 45m 1.3t 1.8×1.8×2.8m
8t 60m 44m 1.3t 1.2×1.2×3.0m
QTZ125(6513) 6t 65m 45m one.3t one.8×1.8×2.8m
8t 65m 45m one.3t 1.8×1.8×2.8m
QTZ125(6015) 8t 60m 45m one.5t 2.0×2.0×3.0m
10t 60m 45m 1.5t one.8×1.8×2.8m
10t 60m 44m 1.5t one.6×1.6×3.0m
10t 60m 60m one.5t 2.0×2.0×3.0m
QTZ160(6571) 10t 60m 59.7m two.4t two.0×2.0×3.0m
10t 60m 64.7m 2.4t two.0×2.0×3.0m
QTZ160(6516) 8t 65m 50m one.6t 1.6×1.6×3.0m
8t 65m 50m 1.6t 1.8×1.8×2.8m
QTZ200(6520) 10t 65m 59.7m two.0t two.0×2.0×3.0m
10t 65m sixty four.7m two.0t 2.0×2.0×3.0m
10t 65m fifty three.5m two.0t two.0×2.0×3.0m
QTZ250(7571) 12t 70m fifty nine.7m 2.1t 2.0×2.0×3.0m
QTZ250(7571) 12t 70m 59.7m 2.5t 2.0×2.0×3.0m
QTZ250(7032) 12t 70m fifty two.5m 3.2t 2.0×2.0×3.0m
12t 70m 57.5m three.2t 2.0×2.0×3.0m
12t 70m 38.8m 3.2t two.0×2.0×3.0m
QTZ250(7571) 16t 70m fifty two.5m 2.7t two.0×2.0×3.0m
16t 70m 38.8m two.7t two.0×2.0×3.0m
QTZ315(7530) 16t 75m 52.5m three.0t two.0×2.0×3.0m
QTZ500(8522) 25t 85m 73m two.2t 2.5×2.5×5.95m


Our Service   

Pre-sale Services

1. We can customize items in accordance to client’s demand from customers. A variety of kinds of Building Hoist and Tower Crane for  your  choice.

2. Good Top quality & Factory Price & Quick Response & Reliable Services are what we are trying best to offer you.

3. All of our products are developed by our professional workmen and we have large performance revenue staff, you can absolutely ept us.

4. We have a lot more than twenty a long time encounter in developing and producing, we cherish each buy from our honored clients.

After your choice

1. We will depend least expensive shipping value and make invoice to you at when.

2. Check each machine before delivery to make certain their good quality, then deliver out to you after your payment.

Right after-sale Services

1. Our engineers are offered to guidebook the operators abroad. 
2. We are extremely glad that client give us some suggestion for cost and items.
3. If you have any question, remember to make contact with us freely by E-mail or Tel: +86~13083988828ephone

Speak to Me

If you are intrested in our tower crane,remember to come to feel free to contact me,we would like to provide the very best price with you.


The use of authentic products manufacturer’s (OEM) component numbers or emblems , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the shown alternative components contained herein are not sponsored, accredited, or produced by the OEM.

China best torque limiter factory manufacturer & supplier  EPT 4ton Qtz50  Tower Crane with top quality & best price

China best torque limiter factory manufacturer & supplier  EPT 4ton Qtz50  Tower Crane with top quality & best price

China best torque limiter factory manufacturer & supplier  EPT 4ton Qtz50  Tower Crane with top quality & best price