Established in July 2006, Topper is a professional manufacturer that integrates design, development, production, and sales of equipment machinery. Located in Quanzhou, Fujian Province, China, the starting point of the Maritime Silk Road, the company enjoys convenient transportation advantages. With a factory area covering 70,000 square meters, the company is equipped with various imported large-scale processing equipment and has introduced a group of professional technical developers and outstanding management talents.

The company specializes in the research and production of high-configured, competitively-priced. Their 'Jingong' series of products find applications in construction and production operations for transportation, municipal engineering, landscaping, agriculture, water conservancy, material handling, and railway sectors. Leveraging an independent research and development team, Jinli can customize products according to customer needs.

The company has successively obtained ISO9001 quality management system certification and national intellectual property certification, boasting nearly a hundred patent certificates, including invention patents, appearance patents, and utility model patents. Holding an export certificate, their products have gained wide acclaim both domestically and are exported to Southeast Asia, Africa, and other countries.

Their product range includes:

    1. Engineering Machinery: Wheel Excavator, Crawler Excavator;
    2. Forestry Machinery: Wood and Sugarcane Loading Machine, Multi-Functional Transporter;
    3. Harvesting Machinery: Whole-Stalk Sugarcane Harvester;
    4. Railway Machinery: Railway Sleeper Changer, Railway Ballast Cleaner, Railway Tamping Machine.

Company R&D capability and R&D product management process

The company places significant emphasis on research and development of new products and processes. Annually, substantial investments are made in R&D, yielding excellent results, leading to the recognition of being a high-tech enterprise in Fujian Province and multiple patent applications. The company actively collaborates with domestic scientific research institutes, ensuring that scientific achievements are transformed into tangible benefits for the enterprise.

R&D Capability:

Since inception, the company adheres to a scientific approach, with technology research and development and personnel training as primary development goals. A specialized technology R&D department is established, supported by technical expertise from Japan and the United States, with an experienced and innovative team.
Currently, the company has developed various types of wheel excavators and crawler excavators, including railway sleeper changing machines, railway mucking machines, material leveling machines, and pick-up and loading machines, which find applications in diverse fields. As a result, products are extensively sold in Europe, the United States, Australia, New Zealand, and other regions.

R&D Management Procedure:
Upon receiving R&D instructions, the technology department organizes the design and development team, appoints a design director, formulates the R&D design plan, and prepares the design and development plan.
The design director determines the contents of various technical interfaces based on the design plan and product characteristics, communicating these to all designers and compiling the design and development input list.
Designers carry out product scheme designs as per the design input. The deputy general manager of technology conducts a scheme demonstration, and after approval, the design director proceeds with technical design, including drawings and processes. Relevant personnel review the design, prepare records, and compile the design and development review report.
Based on the review results, designers test and verify the products, preparing the design and development verification report.
After successful product testing and verification, designers create product processing drawings and production process guides. These are reviewed by the design director and issued upon approval from the deputy general manager of technology, with the preparation of the "design and development output list."
Following issuance of product technical documents, the business department issues sample orders, and the production department creates samples based on the technical documents. Designers analyze and demonstrate the samples, preparing the trial production summary report.
Upon successful trial production of the samples, small-batch trial production takes place. The design director confirms product performance and technical indicators through performance tests and user feedback, preparing the design and development confirmation report.
Post-design completion, the design lead continuously monitors and improves the new product based on its usage.

After Service

We grant our clients a twelve-month-period or 2000-hours warranty for any machine purchased from us. During the warranty period, in case the defect of material or workmanship has occurred with spare parts in normal operation, the defective part will be repaired or replaced free of charge, at our discretion.
Spare Parts
If there is a sole sales agent in your country, then you can buy directly from our agent, to save the time and shipping cost. If no, we also will send you the spare parts you need directly by shipping or by courier to your address after payment.
We are dedicated to provide our clients with genuine spare parts with the highest quality, exact fitness and appropriate function. With our global distributor network, you are guaranteed with fast deliveries and services, wherever you are. Please submit your spare parts request to us, and list products name, model, equipment serial number, description of required parts. We guarantee that your request will be handled quickly and appropriately.
We offer perfect facilities and comfortable environment and can provide training services to different users. The training sessions include product training, operation training, maintenance know-how, technical know-how training, standards, laws and regulations training and other trainings, all of which are tailored to fulfill your individual needs. Training programs can be conducted in our factory field, or at the client’s site.
Technical Advice
We can also help clients coordinate with trained service personnel to provide you detailed and extensive knowledge about your specific machine. With our technical advices, your machine service life can be significantly prolonged and sustained with high capacity.
2、Limitation of Liability
If the parts on the excavator are abused, neglected, improperly used or not maintained or operated in accordance with the provisions in the "Instruction Manual", they do not cooperate with the service personnel, do not follow the advice or are modified or installed without approval, resulting in the machine Failure, the aircraft will lose all rights during the warranty period.
Warranty period and warranty content:
In strict accordance with the "Instruction Manual" under normal use, the main structural parts of the excavator machine: boom, stick, rotary platform, walking frame (except bucket), engine, main pump, control valve , The quality assurance period of the oil cylinder, walking mechanism, rotary mechanism, rotary ring gear, and air-conditioning compressor is 12 months or 2000 hours; the quality assurance period of the excavator with a broken hammer and less than 13 tons is 9 months or 1500 hours; The quality guarantee period of each sliding bearing of the working device (except the connection with the bucket), belt, generator and starting motor is 3 months or 500 hours. In these cases, it is calculated from the date of delivery of the machine to the first end user, or the cumulative running time of the machine (all timings refer to the reading of the on-board timer), and the quality guarantee period is terminated by the first one .
Although it is within the warranty period, it is not guaranteed if it belongs to one of the following situations:

1.Damage or defect caused by accident, improper use, negligence or natural disaster. 
2.Damage or defect caused by the use of parts or installation accessories not provided by JingGong without written confirmation by JingGong.
3.Non-JingGong service personnel or designated maintenance personnel implement replacement, alteration or modification of the machine and any of its components, thereby affecting the performance and stability of the machine Performance and use of the machine. 
4.Minor failures that generally do not affect the stability, reliability and performance of the machine.
5.Maintenance of the machine, such as engine cleaning, radiator cleaning, replacement of consumable parts, machine lubrication and braking Commissioning, etc.
6.Consumables such as: oil, coolant, glass, reflectors, various filters, grease, oil cups, belts, gaskets, rubber parts, fuses, cables, carbon brushes, lamps, locks, butter Nozzle, fuel injection nozzle, high-pressure fuel pump plunger, fuel outlet valve, bucket, bucket teeth, pin connected to the bucket, bushing and related parts, track shoe, track shoe bolt, battery, radio, cigarette lighter Devices and other similar components. 
7.If you refuse to use the maintenance parts provided by JingGong, you will intentionally damage the GPS, damage the timer, etc. From the date of discovery, JingGong has the right to terminate all services and maintenance instructions.