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QTZ63 (5610) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ80 (5613) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ80 (6012) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ100 (6013) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ100 (6510) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ125 (6015" tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTZ160 (6516) tower crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTP125 (6015-6T/8T) Flat Top Tower Crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTP200(7020)Type Flat Top Tower Crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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QTP315 (7528) Flat Top Tower Crane

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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SC200/200 construction lift

Longlong construction elevator, cost-effective. Two-wheel drive, three-wheel drive, and variable frequency products are fully equipped, and the new three-wheel drive configuration is also more efficient and energy-saving. 1. Changlong construction elevator is cost-effective. Two-wheel drive, three-wheel drive, and variable frequency products are fully equipped, and the new three-wheel drive configuration is also more efficient and energy-saving. 2. 200,000 tons of raw materials are purchased from famous domestic factories every year, which ensures product quality and large-scale purchase price. 3. A standard section CNC blanking, stamping, robot automatic welding production line. The main legs of the standard section are made of high-frequency welded steel pipes made of φ76 × 4.5, φ76 × 6, and Q345B, which have high strength, good wear resistance and high straightness. Strong straightness is better, product performance and service life are better. 4. The standard section adopts shot blasting to remove rust, and hot-dip galvanizing process can also be used. The main limb connection end of hot-dip galvanizing standard section is processed after plating to ensure the dimensional accuracy requirements of the joint, good corrosion resistance, economical and durable. The remaining parts are evenly treated with pickling and phosphating. 5. Changlong Construction Machinery has 31 national patented technologies for safety devices, structural parts and control systems to ensure the safety and reliability of products. 6. The main electrical components are all of the French Schneider brand, with good reliability and high repeat positioning accuracy. 7. The transmission plate and the bottom plate of the safety device are integrally processed by CNC machine tools, with good hole position and high precision. 8. The hanging cage adopts the overall post-weld processing technology to ensure the high precision of the hanging cage. The main force parts are made of Q345B cold-formed steel, which has high strength and a more beautiful appearance. 9. The automatic oil filling machine ensures good lubrication of the rack and pinion, long service life and low vibration and noise. Small parts such as cable drums, cabs, and guardrails are all galvanized, with good anti-corrosion performance. Adjustable boom makes installation easier. 10. The elevator gear is made of 20CrMnTi material, which has good wear resistance, and the tooth surface processing technology, flatness and precision are improved. The service life of the gear is increased by 30%-50%, the maintenance rate is reduced, and the noise and vibration are reduced.
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microwave towe

Microwave towers are mainly used for transmission and emission of microwave, ultra-short wave, and wireless network signals. In order to ensure the normal operation of the wireless communication system, the communication antenna is generally placed at the highest point to increase the service radius to achieve the ideal communication effect. The communication antenna must have a communication tower to increase the height, so the communication tower plays an important role in the communication network system. In the construction of modern communication and radio and television signal transmission towers, no matter whether the user chooses the ground plane or the roof tower, it is used to raise the communication antenna to increase the service radius of the communication or TV transmission signal and achieve the ideal professional communication effect. It has the dual functions of lightning protection and grounding of the building, aviation warning and decoration of the office building.
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Electronic control system

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Lifting mechanism

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set frame

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balance arm

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Swing assembly

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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Standard section

A professional company engaged in the research and development, manufacturing, sales and leasing of construction machinery and equipment. Its predecessor was the Construction Machinery Division of Guilin Changhai Development Co., Ltd., a large state-owned military enterprise. In November 2013, it transformed into an independent company and became an independent limited liability company. The company is located in Fuxing Road, Dingjiang Town, Lingchuan County, Guilin, Guangxi. At present, it has developed five series of more than ten types of construction machinery products including ordinary tower cranes and construction hoists. Guilin Changlong Machinery Co., Ltd. has inherited the construction machinery and equipment products operated by Changhai Development Co., Ltd. for nearly 20 years. It has a strong technical and management talent team and a strong after-sales service team. It has a modern standardized workshop of 6000M2 and dozens of advanced It has established a complete system of engineering machinery and equipment design, manufacturing, sales and service process.
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