DeFu Elevator Installation and Maintenance

Quality Assurance

Defu Elevator: Quality Assurance

Customer satisfaction, employee growth, corporate development, and social recognition.

Elevator renovation

Defu Elevator – Elevator Modernization

Pragmatic, diligent, forward-looking, and keen.

Installation and Maintenance

DeFu Elevator Installation and Maintenance

Customer first, reputation paramount, service satisfaction.

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Cases

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Step into Defu Elevator

Specializing in elevator sales, installation, repair, and maintenance.

Chongqing Defu Elevator Co., Ltd. has a registered capital of 5 million yuan. The company boasts many years of experience in elevator sales, installation, maintenance, servicing, and quality inspection, with a dedicated team of professionals specializing in elevator-related services. Among them, there are 18 technical personnel and 3 quality-inspection personnel. More than 30 construction workers hold the "Special Equipment Operator Certificate of the People's Republic of China." The company provides users with ongoing technical consulting and after-sales maintenance services.

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2018 year

Company established

5 million

Registered capital

existing employees

300

Serve customers

Blog

02-09

What are the categories and types of elevators?

02-09

What aspects need to be maintained for elevator upkeep?

02-09

The difference between elevators and escalators

Warmly congratulate Chongqing Defu Elevator Co., Ltd. on the launch of its website!

2022-05-05

-Business Scope-

Scope of business

Elevator maintenance

Establish a detailed maintenance file for each elevator, recording the date, content, replacement parts information, faults, and handling results of each maintenance. The retention period of the archives shall not be less than the service life of the elevator, providing data support for the full life cycle management of the elevator, facilitating the tracing of the historical operation status of the elevator, and also helping regulatory authorities to inspect and review, ensuring that maintenance work is carried out in compliance and in an orderly manner.

Elevator maintenance

Traction system: The steel wire rope requires special lubricating grease penetration lubrication (apply 1 kilogram of grease every 40 meters, with an interval of 2 weeks) to prevent wire breakage。‌‌
Door system: Clean the door rails and adjust the verticality (gap 1-6mm) to avoid jamming。‌‌‌‌
Safety device: Monthly testing of buffer oil level, annual replacement of safety clamp wedges (wear exceeding 15%)。‌

quality inspection

1. The testing items cover core contents such as safety performance and load testing;
2. The executing agency needs to have CMA/CNAS certification qualifications；
3. Anhui Guohao Quality Standards Research Institute, as a professional third-party organization, can provide cross disciplinary testing services and authoritative reports；
4. Before conducting elevator inspections, it is necessary to verify the specific qualification coverage of the institution。

Building Intelligence

Intelligent design of buildings is a complex system engineering involving multiple aspects. Through reasonable planning and design, it is possible to ensure efficient and stable information transmission both inside and outside the building; Through integrated intelligent technology, the safety, comfort, and convenience of buildings can be improved; By achieving energy-saving, emission reduction, and environmental protection goals, the sustainable development of buildings can be promoted.

Chongqing Defu Elevator Co., Ltd.

Phone:86-18581351688
Email:cqdfdt@163.com
Address: No. 473, West Kaizhou Avenue, Longzhu Community, Yunfeng Subdistrict, Kaizhou District, Chongqing City

渝公网安备50023402000737号

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