Three Hitachi 1200 excavators at a mine in Yunnan were in a dilapidated state, quietly parked in an open area and had been out of operation for ten years.
At a construction site in Neijiang, Sichuan, the working conditions were extremely complex and Mr. Zhou, the person in charge of the construction unit, frowned.

Traditional Construction Methods and Their Problems

Facing rocks with a compressive strength of 40MPa, the traditional breaker hammer had low working efficiency and couldn't meet the increasingly urgent construction period requirements. In such high-strength rock operations, the output of a single traditional breaker hammer equipment was only 60 cubic meters per hour, far from meeting the needs of the construction progress.
At the same time, under the current strict environmental supervision, the explosive blasting scheme was difficult to apply on a large scale, and potential safety hazards also became a major problem in construction. In order to ensure the construction progress and meet the needs of modern construction, Mr. Zhou decided to seek a more efficient and environmentally friendly non-blasting construction scheme.

Changan Chuanshanjia's Technology Recognized

After extensive investigations and technical comparisons, Mr. Zhou finally chose the leading enterprise in the Rock Boom field - Changan Chuanshanjia.
Through in-depth technical exchanges and on-site inspections, Mr. Zhou learned that Changan Chuanshanjia had a number of independent intellectual property rights and national patents, and had passed many international authoritative certifications such as the international quality management system certification, the EU CE certification and the ASEAN FE certification. Relying on its strong R & D capabilities and rich experience in earthwork construction, Changan Chuanshanjia customized a targeted non-blasting construction scheme for Mr. Zhou, which greatly improved the construction efficiency.

Innovation Technology Promotes Project Progress

In just one week, an originally stalled Hitachi 1200 excavator completed the equipment upgrade and installed the Rock Boom of Changan Chuanshanjia.

After the equipment was restarted, the powerful roar sounded again at the site and the excavator easily handled the 40MPa compressive rocks and the working efficiency was significantly improved.
Compared with the traditional breaker hammer operation, the construction efficiency of Changan Chuanshanjia's Rock Boom&seperate-arm ripper was greatly improved and the output of a single equipment could reach more than 200 cubic meters per hour, far exceeding the 60 cubic meters per hour of the traditional breaker hammer.
Moreover, the non-blasting scheme of Changan Chuanshanjia not only greatly improved the efficiency but also avoided the potential safety hazards and environmental pressure brought by explosive blasting, meeting the multiple requirements of modern construction for safety, environment and efficiency.

Mr. Zhou's Evaluation and Further Procurement

After one month of actual use, Mr. Zhou, the person in charge of the construction unit, said, "The Rock Boom products designed by Changan Chuanshanjia have excellent performance. After the equipment is upgraded, the output of each excavator per hour is close to 300 cubic meters, the crushing operation is more efficient, the operation is more flexible and the construction progress has been greatly improved."

For the engineering industry, time is the biggest cost. After obtaining the output far exceeding the expected, Mr. Zhou purchased another Hitachi 1200 Rock Boom&seperate-arm ripper. With both arms working day and night, the earthwork excavation efficiency of the project was greatly improved and finally the volume target required by Party A was completed ahead of schedule.

Future Development and Equipment Selection

When talking about the future development of the enterprise, Mr. Zhou said that they would continue to improve the advanced level of earthwork excavation equipment and still give priority to the Changan Chuanshanjia brand in the later procurement. He knew that only by choosing high-quality equipment like Changan Chuanshanjia could he gain an advantage in the fierce market competition.

24-Hour Service Ensures Construction without Worry

According to Mr. Zhou, due to the particularity of Rock Boom products, various failures usually occurred in the conventional products in the industry. However, during the construction of the Neijiang project, the two Hitachi 1200 Rock Boom&seperate-arm rippers never underwent major repairs and even the tooth holder part which was most prone to fracture risk still maintained a good state after the project was completed.
Hu Ling, the general manager of Changan Chuanshanjia, said, "We always adhere to the principle of customer first and provide 24-hour online service to ensure that any problems arising during the use of the equipment can be provided with solutions suitable for the current situation. Because of the short distance to Neijiang, we can arrive at the site within 2 hours and solve the problem within 4 hours to ensure that the construction progress is not affected."

Global Attention and Industry Sensation

With the advent of the Hitachi 1200 Rock Boom&seperate-arm ripper, Changan Chuanshanjia has attracted wide attention and enthusiastic responses both inside and outside the industry worldwide with its leading technological innovation.
Many domestic and foreign customers visited the factory one after another and gave high praise to the product performance and construction effect of Changan Chuanshanjia. As more customers began to apply this technology, the influence of Changan Chuanshanjia in the field of non-blasting construction was increasing day by day and it became the preferred brand of many enterprises in the global market.

Future Prospects of Changan Chuanshanjia

With its strong technical strength and innovation ability, Changan Chuanshanjia has not only achieved remarkable results in the domestic market but also shown strong competitiveness in the international market.
In the field of non-blasting construction, Changan Chuanshanjia will continue to provide more enterprises with efficient, energy-saving and environmentally friendly solutions, promote the technological progress of the industry and help various engineering projects to be completed efficiently and smoothly.