Company Profile

　　
   Changsha Chaojingang Machinery Manufacturing Co.,Ltd is a modern high-tech enterprise specializing in the research and manufacturing of rock drilling machinery and drilling  tools. Located in the beautiful fireworks city of Liuyang, Changsha, our company covers an area of 26,600 square meters, with a production workshop of 22,000 square meters. We currently employ nearly 100 staff members, including 26 engineering technicians and 8 senior engineers.

   Our founder, Mr. Xiang Renfa, is a senior engineer with over 20 years of experience in R&D and manufacturing. He led the development of China's first DTH hammer without foot valve and played a key role in drafting national product quality standards for drilling tools as part of the China Steel Structure Association.He is widely recognized as a leading expert in the drilling industry......

   Our company owns the registered brand SUPER DIAMOND, well-known for quality and reliability. Super Diamond adheres to strict material selection and quality control standards.we are committed to using only the highest quality raw materials, which are strictly tested through advanced inspection methods before entering the production process. Our advanced manufacturing facilities integrate the entire production chain—from raw material cutting and forging to CNC machining, heat treatment, painting, and final packaging，this makes it easier for us to control product quality.

   We hold over ten national invention patents in DTH hammers, drill bits, and heat treatment processes. Our company stands out with its strong customization capabilities and technical innovation. Most of our skilled workers have over a decade of experience, ensuring exceptional craftsmanship and attention to detail. We operate in full compliance with the ISO 9001:2015 quality management system, delivering superior performance and stable, reliable products.

   Since its founding, our company has rapidly grown and stood out in a highly competitive market, maintaining an annual order volume increase of 25% to 30%.Our products are widely exported to over 50 countries and regions, including South Korea, Canada, Russia, Australia, and South Africa, where they have earned a solid reputation for quality and performance.

   Guided by a spirit of continuous improvement and innovation, Super Diamond is committed to "quality as life and customer satisfaction as the core." We strive to enhance the competitiveness of our products and provide high-quality solutions, advanced technology, and comprehensive services to global clients. We sincerely look forward to building long-term partnerships and achieving mutual success with customers around the world.

Our Service
We have professional pre-sales service, which can tailor more efficient drilling products for you according to your air compressor, drill and rock conditions.
With professional production management, we guarantee that you can buy high quality drilling products.
Factory production, real-time feedback. Take you to know the production progress at any time.
We deliver on time,have strict ISO9001 management system and can guarantee on time to provide you with high quality products.
Price advantage, on the premise of ensuring quality, we can provide customers with the best price.
Our company provides OEM and ODM services.
We have flexible payment methods, T/T, L/C, Western Union and so on.
Considerate after-sales service, we have standardized after-sales service process, at any time to solve any problems you encounter in the process of use.
1. Company Founding
Our company was founded in 2017 and is located in the beautiful city of Changsha. At that time, our country was in a stage of rapid economic development, and market demand was growing. Against this background, the company's founder, Mr. Xiang Renfa, with his keen market insight and firm belief, resolutely devoted himself to this industry full of challenges and opportunities.
2. Start-up period
In the early days, the company was small, but all employees were united and worked together. We uphold the business philosophy of "integrity, innovation, and win-win" to provide customers with high-quality products and services. After several years of hard work, the company has emerged in the market competition and gradually established a good reputation in the industry.
3. Development and G
The market competition is becoming increasingly fierce. In the face of challenges, the company has increased its investment in research and development, continuously improved product quality, and actively expanded the market. During this period, the company has won many honorary titles and has become a leader in the industry.
4. Strategic Layout
With the continuous development of the company's business, we realized that in order to be invincible in the fierce market competition, we must carry out strategic layout. Therefore, the company has formulated a development strategy of "based in China and expanding overseas" to actively explore the international market. After several years of hard work, our products have been exported to many countries and regions such as Europe, America, and Southeast Asia.
Our History

我们的团队

Our Team



   Since its establishment, through the unremitting efforts of all employees of the company, it has developed into a large enterprise with assets of more than 50 million yuan and a large number of talents. The company currently has more than 100 employees and 80 professional and technical personnel, including 8 senior engineers and 26 intermediate engineers recognized by the state.


    The company pays attention to the improvement of technology and the renewal of equipment. In recent years, a batch of old production machinery has been eliminated, and advanced production equipment has been introduced to realize the modernization of production. Developing industry and revitalizing enterprises are the development goals of the company. Not being arrogant or impatient, rigorous and down-to-earth is the company's working style. In the past few years, on the basis of existing achievements, the company has made unremitting efforts and pioneering efforts to occupy a place in the domestic and foreign drilling tool market and won the praise of customers and quality inspection departments.

1. Each of our employees is provided with a private dormitory room, equipped with an en-suite bathroom, air conditioning, and a water heater.

2. The company provides free meals for employees and distributes gifts and bonuses on birthdays and holidays.
3. An annual company trip is organized once a year.

Employee Benefits

Quality is the foundation of survival.
Safety is the prerequisite for production.
Enhancing competitiveness is our goal.
Company Culture
Home                      About Us                     Product               News                    Technology                      Contact Us