About Us
With a heart of pure intent, one traverses the vast heavens.
Quality is the foundation of value and dignity, as well as the lifeblood of the Group’s survival. As a leading manufacturer of high-end shot blasting machines, we remain deeply aware of the vital role industrial development plays in national economic strength. The Group operates across three major business sectors and comprises five subsidiaries: KEEJOO (Qingdao) Shot Blasting Machine Co., Ltd.; KEEJOO Shot Blasting Machine Research Institute; Qingdao KEEJOO Environmental Protection Technology Co., Ltd.; KEEJOO (Americas) Service Center; and KEEJOO Smart Agricultural Technology Co., Ltd.
The company boasts a modern R&D center, state-of-the-art manufacturing workshops, and a team of top-tier industry experts. Its product portfolio comprises over 100 varieties, including various shot blasting machines, shot peening (texturing) machines, sandblasting equipment, and environmental dust-removal systems, alongside related consumables such as steel shot and grit, as well as wear-resistant parts. The company holds ISO 9001, German TÜV, EU CE, and French BV certifications and possesses independent import-export rights. Its products are exported to 89 countries—including Germany, Spain, France, the USA, South Korea, Japan, Singapore, Australia, and Russia—earning an excellent reputation both domestically and internationally.

After years of development, the company has expanded its business into numerous sectors—including nuclear power, steel, automotive, shipbuilding, and construction—and has consistently ranked at the forefront of the shot blasting machine industry across various performance metrics.
The company holds a commanding market share in the field of shot blasting for the nuclear power industry. As a domestic manufacturer specializing in this sector, the company successfully developed China's first HSK-3050 hook-type shot blasting machine for nuclear power valves and secured contracts with major domestic nuclear power equipment manufacturers, such as Jiangsu Shentong and CNNC-Tech.
The company has designed and manufactured over 240 large-scale, pass-through hook-type shot blasting machines for both domestic and international markets; its products are widely used by companies such as ThyssenKrupp, Siemens, Getrag, Stäubli (Germany), Hsieh Ho (Taiwan), China Nuclear Power, Sany Group, Doosan (South Korea), and Caterpillar.
The company is an industry leader in the field of shot blasting for the construction sector. In addition to collaborating with world-renowned enterprises such as Shanghai Guanda'er and Butler Light Steel, the company has established a strategic partnership with China's Hangxiao Group; together, they have co-developed various proprietary shot blasting systems featuring patented technologies. The company has successfully executed shot blasting pretreatment line and pass-through shot blasting machine projects for 49 Hangxiao facilities—including those in Xiaoshan, Shandong, and Henan—as well as for multiple China State Construction (CSCEC) subsidiaries, such as those in Tianjin, Wuhan, Sichuan, and Shanghai. Its pass-through shot blasting machines are widely deployed across the domestic market and have also expanded internationally, serving projects for clients such as NIC in Japan and KPF in South Korea.

Qingdao KEEJOO Group is a recognized industry expert in the field of shot blasting for the automotive and shipbuilding sectors. Its major clients include Bombardier, Alstom, FAW-Volkswagen, Cummins Engine, Dongfeng, CRRC, North Benz, Tianjin Aisin, Suzuki, GKN (SDS), Nanjing Automobile, Jiangnan Shipyard, and Komatsu Shantui; the company has received accolades such as "Strategic Supplier" from China North Industries Group (NORINCO) and "Excellent Supplier" from TBEA. Its products are also widely used by companies such as Hyundai Heavy Industries, McDermott, Kawasaki Shipbuilding, and Ford (Mexico) Engine.
In other industrial sectors, Qingdao KEEJOO Group has emerged as a rising star. Its products have been successfully applied to shot blasting for bars, wire rods, coils, and the inner and outer surfaces of pipes; shot peening for coil springs, leaf springs, crankshafts, and gears; robotic automation; roll texturing; strip steel cleaning; and sandblasting for large structural components. The company has established partnerships with clients such as SKF (Sweden), International Steel (Pakistan), Hitachi Nuclear Industry, Dalian Bingshan, JFE Steel (Japan), and Hangzhou Human Group.
Innovation-driven, acclaimed worldwide.
Innovation, reform, and change constantly inspire us to forge ahead toward broader horizons.
In recent years, collaborations with engineers from Germany, Japan, and other regions have elevated our company's product design capabilities to a high level. The high-efficiency, direct-drive shot blasting unit (22–75 kW)—developed through a technical partnership with Germany—has won awards and stands as a high-power, direct-drive unit with proprietary intellectual property rights in the Asia-Pacific region; these units are utilized in high-end models destined for export and have earned unanimous acclaim from customers in Europe and the United States.
Focus creates professionalism; quality earns trust.
The company has procured imported CNC machining centers, German dynamic balancing testers for shot-blasting units, and large-scale machining equipment such as boring machines and gantry milling machines; it is also equipped with facilities for CNC cutting and wear-resistant cast iron testing. Over 1.7 million RMB has been invested in the technical innovation and R&D of shot-blasting units—the core components of shot-blasting equipment—placing the company's manufacturing processes and capabilities at the forefront of the industry. Furthermore, the company’s in-house manufactured large-scale shot-blasting and descaling equipment ensures superior surface quality for its products.
Furthermore, the company has invested significant R&D resources into wear-resistant parts, shot blasting circulation systems, environmental dust-removal performance, and major structural upgrades for the main blasting units. By accelerating the phase-out of outdated technologies, we have ensured that our shot blasting and peening equipment stands out in the industry for its extended service life, reduced maintenance requirements, superior environmental performance, and lower operating costs—qualities that have earned recognition from both domestic and international customers, new and old alike.
The company’s products feature advanced technology, a comprehensive range, and rigorous manufacturing processes; it frequently participates in tenders in Europe and the Americas, serving as a domestic manufacturing base for environmental protection equipment and a benchmark enterprise for the export of shot-blasting equipment.

Talent-led, steering the future.
Only by committing to a talent development strategy and cultivating a deep pool of professional talent can one set industry standards and shape the industry's future.
The company boasts a workforce of over thirty engineers—including expatriate engineers—and R&D specialists, supported by comprehensive installation and commissioning teams as well as seasoned frontline manufacturing personnel; this ensures robust capabilities across the entire product lifecycle, from customization and R&D to manufacturing and final delivery. Past achievements serve as a new starting point. Amidst rapid modern progress, the company has adopted a fresh development philosophy: "Sincere in intent, soaring to great heights, achieving rapid results through steady progress, and uniting knowledge with action," alongside a commitment to "building a multi-dimensional, mutually beneficial ecosystem and creating superior-quality shot blasting machines." By maintaining rigorous control over quality and manufacturing standards, the company is forging ahead in its drive to become a renowned enterprise.

Qingdao KEEJOO Group

The Group was among the first in China's casting machinery industry to obtain ISO 9001, German TÜV, EU CE, French BV, and North American FCC certifications, as well as import-export rights. By adopting and further optimizing technologies from Germany, the United States, and elsewhere, the Group has enhanced product performance and accelerated the phase-out of outdated technologies, earning recognition from customers worldwide.

What’s next?
Spare parts and consumables
We provide high-quality replacement parts with extended service lives. As a major supplier of spare parts in the industry, we offer rapid global production capabilities, eliminating the need for you to maintain large inventories or face production downtime.

Equipment Upgrades
We will keep you informed about the latest upgrade technologies so you can decide whether to incorporate them into your equipment's routine maintenance to ensure optimal service life.
Equipment Modernization Upgrades

As the world famous QINGDAO KNNJOO MACHINE INC., part of the effort and key technical staff and workers of qingdao qingzhu foundry machine co.,ltd. re-build the company, after the reorganization, the company is division by a shot blasting machine company,foundry machinery company,environmental protection equipment company, three subsidiaries, and an international company.
The company has a variety of imported machining centers, milling machines, boring machines, testing equipment and more Taiwan, processing and testing force. The company experienced ups and downs, has accumulated more than 10 new varieties developed to shot blasting and strengthening, electrical and computer control technology to the highest level. The latest batch of shot blasting machine developed high-tech products through rigorous identification, authentication, has been replaced by imported products in the domestic market. The company developed its own series of world-class steel plate round shot blasting machine, shot blasting machine drum inclination, track straight through type shot blasting machine, 75Kw straight blast wheel couplings, a variety of products into the international market, to compete in North and South America, Africa and Southeast Asia more than 50 countries and regions have been highly rated German and European customers.
Domestic and foreign companies over the years to provide users with excellent casting machinery and equipment shot blasting machines. In recent years, the company's product development goes far beyond the scope of professional casting machinery, now in pre-treatment, post-treatment and shot blasting strengthen the development of the field of more than 30 new products and efficient casting machine. The company developed a steel plate pretreatment line with the international advanced level of pre-heating plate, blasting, painting, drying automatic production line, to fill the gap, now Shanghai Hudong Shipyard, Hangxiao, Fuzhou Mawei Shipyard, multiple units Dalian Shipyard, Maanshan Iron and steel plant, Baoji bridge works, Handan Iron and steel, the United States Jimmy Carter, Dalian wind power equipment Group, GWS, Guangzhou Shipyard international Co., Ltd., etc., have been using the company's production of steel pretreatment equipment replace the pretreatment production line imported, so that domestic enterprises to rid itself of relying solely on imports for domestic aircraft, steel, machinery, casting and other industries, provides the ideal key equipment. Over the years, the company promoting the development of China's machinery industry in the field of shot blasting machines, industrial equipment and complete sets of equipment and strengthen economic, technical and trade has made unremitting efforts.
We are now in a positive and pioneering spirit, the introduction and use of foreign investment in the wave of market economy, the rapid development of their economies of scale, and enhance awareness of market competition to the vanguard of the gesture at the forefront of the industry. The company leading the world authority of the company's proprietary technology to strengthen the blast cleaning technology and complete sets of complete sets of core shooter technology and software, the company blasting sand processing technology and technology is the first advanced in the world. The successful development of ZJ series turntable shot blast machine for supporting the production of the automotive industry has opened up new areas of the domestic introduction of Volkswagen, Citroen and Iveco vehicle suspension springs, key pieces of leaf springs, connecting rods, gears, conducted advanced blasting strengthening treatment.
The company not only give full play to the production of casting machinery has a long history, product variety of advantages, but there are plans to attract foreign investment, the rational use of foreign investment, strengthen and expand the company's production capacity. The company retaining the original sand, clean-up, three categories based modeling leading quality products on the sand Shot products in cooperation with ThyssenKrupp for surface cleaning, strengthening, rust provides the ideal projectile material, not only to meet the needs of users in this regard, but mechanical cleaning equipment for the casting of supporting the development has played a positive role in promoting.
Company as a research and production in one country shot blasting machine, blasting machine, core shooting machine, sand mixer bowl earliest history of casting machine manufacturer, has introduced DISA shot blasting, shot blasting Germany, Britain Greenspan game Shot machine technology, is the most high-end manufacturer of casting machinery shot blasting machines.
