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We specilized in R&D, production, sales, and technical services of centrifugal air compressor spare parts, we supply different aftermarket, replacement, equivalent parts and kits for centrifugal air compressors, which includes all kind of service, maintenance, overhaul kits starting from 4000 hours till 48000 hours for different brand compressor.

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Shaanxi Huawei Technology Co., Ltd. is a modern high-end equipment manufacturing company engaged in research and development of forging high-tech, mechanical manufacturing, production, sales, and foreign trade of metal materials, integrating science, industry, and trade. The company is located at No. 80, West Section of Petrochemical Avenue, Xixian New District, Xi'an City. It currently has 3 sets of 5000 ton, 3500 ton, and 800 ton free forging hydraulic units, 3 hammer forging units, 12 heating and heat treatment furnaces, and more than 40 sets of large machining equipment such as lathes, milling machines, drills, boring and milling machines, grinding machines, and sawing machines. It has established a complete physical and chemical laboratory and mechanics laboratory, and has formed a series of 200-50000kg free forging and tire forging products. The annual production capacity is 40000 tons of forgings and forgings.

Shandong Meide Import and Export Co., Ltd., founded in 1997, is located in Liaocheng City, Shandong Province, the largest steel logistics center in North China. It focuses on the production and sales of copper, aluminum, titanium, special steel, mold steel, alloy steel, and general mechanical equipment for steel processing. The product range is mainly extended to five series of plates, strips, tubes, rods and profiles. It has passed the ISO9001: 2000 quality system certification, and its products have passed the SGS, ROSH, TUV and REACH certification. It has cold rolling, hot rolling and other production lines. Such as heat treatment chemical analysis, metal halide detection, physical detection, non-destructive detection and other detection equipment and detection technology, and imported physical and chemical detection equipment full-spectrum direct-reading spectrometer, which can quickly and accurately analyze various metal materials. It is produced according to American ASTM standards, Japanese JIS standards, German DIN standards, British BS standards and other standards. At the same time, we can customize and develop new products according to the actual application of customers, and provide products according to different cost and performance requirements. The company has cooperative relations with more than 20 well-known steel mills in China and is the sales and export agent of famous local steel mills in Shandong Province. With rich and professional marketing experience of steel products, our company has become a reliable bridge between overseas customers and domestic steel mills. We are committed to strict quality control and considerate customer service, adhere to quality first, fast delivery, and our experienced staff can communicate with you at any time to ensure full customer satisfaction. We also welcome OEM and ODM orders. You can discuss your purchase requirements for the current product with our customer service center, or provide customized help for your application. It has established modern large outdoor warehouse and indoor warehouse, with 20000 tons of goods in stock. Its customer base covers all provinces and cities in the country, and has more than 100 long-term stable cooperative customers. We sincerely welcome friends from all over the world to visit our company. We look forward to establishing business relations and personal friendship with you.

Pingxiang Nanxiang Chemical Packing Co., Ltd was established in 2003, It is a professional manufacturer and exporter that has more than 20 years experience in Chemical Packing. We are located in West Section Hi-Tech Industry Park Pingxiang City, Jiangxi Province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

Pingxiang Ksource Chemical Packing Co., Ltd. is a large-scale production enterprise that mainly produces various chemical packings and packings. For more than 20 years, it has been mainly engaged in the production of Ceramic Ball, Random Packing, Activated Alumina, Honeycomb Ceramic, Structured Packing, Molecular Sieve. The company is located in the Industrial Ceramics Central Industrial Zone of Pingxiang City, Jiangxi Province, which is adjacent to Hunan Province. It is close to Zhejiang-Jiangxi Railway, National Highway 320, 319 and Shanghai-Kunming Expressway, and the transportation is very convenient.

[Mabery Jewelry Limited]: Your Trusted Partner in Fashion Jewelry

Shandong Meiling Chemical Equipment Co., Ltd. Was built in 1958 and currently employs more than 1, 200 people, including college education of engineers and technicians account for more than 30%. Enterprise total area of 360, 000 square meters, engaged in energy-efficient heat exchanger design and manufacture of non-ferrous metals (titanium, zirconium, nickel) pressure vessel; Automotive braking systems, exhaust manifold, turbochargers and other auto parts manufacturing; High-strength fasteners, air conditioning centrifugal fan, heavy forging manufacturing; Design and manufacturing, environmental engineering design, construction and operation of urban water supply and quality of production of mineral water and other environmental protection equipment.

Guangdong DEF Seals Solutions Co., Ltd. is a leading seals original manufacturer carrying with more than 20 years professional experience, focus on full series hydraulic seals and PTFE component seals, which including guide rings and Spring Energized Seals, as well as CMRD (Custom Made, Rapid Delivery) urethane and rubber seals.

Volsun was founded in 2006, as the pioneer of cold shrink tube manufacturer in China, we keep focusing on the R & D, production and sales in insulation, sealing & protection solutions for more than 18 years.

DOFO Spring Story

Jinan Hongtu Forging Co., Ltd. is situated in Puji Town, Zhangqiu City, Shandong Province-a region renowned as China's "Hometown of Blacksmiths. " Established in 2004, the company occupies a sprawling facility spanning over 30, 000 square meters. With a workforce of 160 employees, including 12 skilled technicians, we achieve an annual production capacity of 20, 000 metric tons of forged components, generating annual revenues exceeding 100 million RMB. Our vertically integrated operations encompass two forging plants and one precision machining facility, supported by cutting-edge infrastructure.

Shanghai Trisun Parts Manufacture Co., Ltd., established in 1998, is one of the biggest mechanical seal manufacturers in China.

Jiaxing Yheng was founded in 2006, located in the beautiful city of Jiaxing, with, convenient transportation and close to Shanghai and Ningbo ports, the goods are delivered to the port on time every day, after years of export experience, products are exported to More than 100 countries in North America, Europe, South America, Africa, Middle East and Asia. Complete specifications. Employs experienced technical and management personnel. To win warm praise from customers c

Pingxiang Chemshun ceramics Co., Ltd established in 2002 year, is a manufacturer and exporter of

Chuangyuan Electromechanical Equipment (GUANGDONG) Co., Ltd, the subsidiary corporation of Zhongshan Chuangyuan Power Equipment Co., Ltd., was established in 2011. It is located in No. 2 Yumin Avenue, Xiaolan Town, Zhongshan City. The Chuangyuan group company was established in 1989. After nearly 30 years of relentless efforts, the

Hebei Tenghu Machinery Technology Co., Ltd, since its inception in the year 1990, has firmly established itself in the production of of forging innovative ideas and efficient forging technology.

Wuxi Liangjiang Metal Co., Ltd is professional in die forgings and castings, ring, shaft, gear, flange, cylinder and other products. Our goal is not just providing products, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their uppermost satisfaction.

Pingxiang XINGFENG Chemical Packing Co., Ltd. Is a hi-tech enterprise which specialized in researching, manufacturing, engineering construction and technical service, located in Pingxiang City--"the City of Industrial Ceramic of China". Our company was founded in 1992 in Jiangxi province Pingxiang city Dengxinqiao industrial ceramic factory. Since we always pay attention to product quality and integrity of operation, our scale of production and operation is expanding. In 2003, our company invested 50 million yuan to expand the new plant which covers 60000 square meters, to expand our production and operation covers all the tower packings and environment protection industry such as chemical packing, environment protection material, equipment, technical service and etc. Our main product are ceramic ball, molecular sieve, activated alumina, chemical packing, catalyst, chemical auxiliary, ceramic roller, refractory material, exhaust gas treatment equipment, waste water treatment equipment and technical service for all environment protection.

Handan Haoqiang Fastener Manufacturing Co., Ltd.

Shanxi DongHuang Wind Power Flange Manufacturing Co., Ltd. Located in Dingxiang Forging Industrial Zone, Shanxi, China, is dedicated to the Manufacturing and Exporting, Studying and Marketing of big-sized steel Flanges, Ring and Square Forgings, Accessories and other related elements for various industries involving Basic industries, Renewable Energy, Wind-Mill Plant, Oil & Gas Industries, Onshore, Offshore, Refinery, Petrochemicals, Water & WWTP, Food Processing Industries, Power & Shipbuilding Industries, Automotive, etc...We have the Representation and Authorization of Distribution of prestigious Manufacturers, leaders in the World Market that have the most demanding Certifications and Approvals of international organizations, in charge of accrediting the compliance of International Standards in the different processes, procedures, materials, testing, testing, storage, delivery and after-sales service of the manufactured products, in order to provide our Clients with reliable High Quality materials that provide Safety and Integrity in their Projects. Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.

Qingdao Yongxin Rigging Company is located in Jimo, which is near to the Qingdao International Airport and Cargo Container Terminal, with transportation facilities.

Qingdao Micro Precision Machinery Co., Ltd. Was established in 2006. Our company's main products include hydraulic cylinders, hydraulic parts, hydraulic stations, hydraulic valve blocks, and processing of various non-standard hydraulic products and CNC machining parts customized by customers. Major customers include Caterpillar, Sandvik, Sany Heavy Industry, Volvo Construction Machinery, Kubota, and other large domestic and foreign enterprises.

Sail Rigging was established in 2009 and currently has four complete forging production lineQingdao Sail Rigging Co., Ltd. is a comprehensive high-tech enterprise integrating design and development, mold making, production and processing, sales and service.

Tai'an Hongfei Carbon Fiber Products Co., Ltd. is a high-tech enterprise integrating production, R&D, customized processing, sales and service. We boast a professional technical R&D team and advanced processing equipment for graphite and carbon-carbon products. The company has carried out technical cooperation and talent exchanges with well-known domestic universities such as Beihang University and Shandong University of Technology. By continuously absorbing advanced technologies from home and abroad, we have always maintained innovation vitality. With exquisite production technology and advanced manufacturing equipment, we produce and process a variety of carbon-carbon/graphite products according to customer requirements, and provide customers with one-stop services from design to processing.

Goodliness Jewellery Co., Ltd Is a silver and brass jewellry manufacturer, which Is professional in jewelry design, production and exporting. We has experience in manufacturing Cubic Zirconia, Spinel, Glass and other synthetic gemstones since 2010. Our factory located in Panyu, Guangzhou City, China, which is the famous jewelry industry town all over the world.

Pingxiang Bestn Chemical Packing Co., Ltd was established in 2007, It is a professional manufacturer and exporter that has more than 10 years experience in Chemical Packing. We are located in Hi-Tech Industrial Park, Development area, Pingxiang city, Jiangxi Province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

Professional Rigging Hardware Factory since 1958

Located in the vibrant coastal city of Ningbo, Muyang Machinery stands as a testament to modern manufacturing excellence. Spanning an impressive 8, 000 square meters, our facility is equipped with state-of-the-art machinery and technology, enabling us to produce high-quality castings, forgings, and precision machined parts. Our products are renowned for their durability, precision, and reliability, making them a preferred choice for clients across the globe.

FJ Industries (Ningbo) Machinery Co., Ltd. is a 100% Danish-owned enterprise that has been rooted in China since 2007. FJ Industries is a Danish privately owned company established in 1943. We have manufactured casted and machined metal components since 2006 and powder metal products since 1985. We have customers from all around the world, which all have high requirements for quality, precision and uniformity. We tailor make the solution for each individual project, and due to efficient processes, we can deliver both small and medium size series at competitive prices. Besides our headquarters in Denmark, our organization consists of production units in Sweden and China. Our three manufacturing locations produce components for industrial segments like care, pumps, robots, intelligent buildings and automotive. All three locations are IATF 16949 certified.  European quality, Chinese price. One-stop Solution for Metal PartsHelp clients choose cost-effective processes. Production site: China/DenmarkCore Strengths 1. Quality & Cost     Full Supply Chain Control: We own and operate a 100% in-house machining facility in Ningbo, collaborating only with audited, trusted suppliers for raw castings. Raw materials undergo strict pre-processing testing, and finished products are re-inspected (via Zeiss Accura 2 CMM, 100% automatic thread checkers, 100% leakage testers, and in-house material lab) before shipment-ensuring consistent European-quality output.      Lean Production: Our engineering team co-develops optimal serial production setups, aligning with automotive industry standards (TFC, APQP, PPAP) to balance high process capability and cost efficiency.  2.  Comprehensive One-Stop Solution for metal parts    Our "one-stop solution" combines six core manufacturing processes with proactive pre-project design optimization for customers,  supporting the shortening of the entire component development and production cycle.      Sand Casting: Offers both automatic casting lines (for high-volume, consistent production of ductile iron-including SiMo grades-and grey cast iron parts) and manual casting lines (for small-batch, custom-shaped components), ensuring flexibility for different order scales.       Precision Casting (Investment/Lost Wax Casting): Specializes in complex, near-net-shape parts with minimal material waste, supporting both ferritic and austenitic stainless steel grades.       Forging: Provides forged components for high-strength applications especially for stainless steel material, leveraging trusted local forging partners audited to our European quality standards.       Cold Drawing (Stainless Steel): Delivers cold-drawn stainless steel parts (e. g., fuel rail brackets) with tight dimensional tolerance and smooth surface finish, ideal for components requiring high accuracy.       CNC Machining: Our Ningbo facility houses 35 CNC 4-axis machining centers, 34 CNC turning machines-handling medium-to-high-volume machining of steel, stainless steel, and cast iron parts to meet tight precision requirements.       Powder Metallurgy: Supplies powder metallurgy components (e. g., small, complex structural parts) for weight-sensitive or high-wear applications, complementing our casting and machining capabilities. 3. Reliable Delivery      Dual-Location Support: For European customers, finished products are shipped via our Denmark warehouse (ensuring short lead times); Domestic customers benefit from direct Ningbo-based support for fast responsiveness to design changes or new requests. 4. Material Range (per DIN Standards)      We produce components for automotive and industrial sectors using: Austenitic stainless steel: 1.4301, 1.4308, 1.4401, 1.4848Ferritic stainless steel: 1.4016, 1.4509, 1.4512, 1.4526Carbon steel: S235JR, S355J2, etc. Alloy steel: 20Mn, 42CrMo, EtcIron: Grey iron, Ductile iron, SiMo grades, ADI. 5. IATF 16949 certification / ISO 9001 / 14001