Piston Rod

H.H. Drill-Tech Drilling Machinery Co.,Ltd (former ianyungang Huanghai Machinery Co., Ltd.) is a large-scale key enterprise in the industry of geological exploration field. Founded in the year of 1969, the factory belonged formerly to Ministry of Geology and Mineral Resources of China. It is now a separate legal personality shareholding enterprise. Equipped with more than 40 years professional manufacturing experience and professional production team as well as more than 700 excellent skillful workers, more than 50 experienced engineers and more than four hundred sophisticated equipments, the high quality drilling equipments will be manufactured and supplied to our customers in the eighty thousand square meter area of working shops in the factory.

The factory has been manufacturing three main series of products consisting of more than 40 kinds of drilling machine tools. The main products include XY-series core drills, which are applied in solid mine bed exploration drilling with the depth of 100-4200 meters(328-13776 feet), engineering geological exploration, superficial-zone petroleum and natural gas mining, mine gallery ventilation and water discharge tunnel drilling; GQ-series engineering drills, which are suitable for 0.8-3 meters(2.62-9.84 feet) diameter hole foundation stakes, located in complicated layers and hard layers, for bridge, road tall buildings construction; FDP-series hydraulic directional drilling rigs, which are mainly used in the construction of underground pipe systems. Lianyungang Huanghai Machinery is one of the leading manufacturers of geological exploration core drilling rigs for medium-depth hole drilling.

Our products are designed, manufactured following quality control system of ISO9001:2000, and the series products of Full Hyduralic Core Rigs have passed the CE certificates of machine and equipment; among the main products, one of them has been awarded a National Silver Medal, three of them have been awarded the prize of National Innovated Product and four of them are in the leading position in China.

At present, Huanghai Machinery is the largest manufacturer in the geological exploration field in China, with the most variety of products and the largest market share in China. Our products have been exported to more than twenty countries and regions, such as Argentina, Chile, Mexico, South Africa and Russia and also the countries in Asia and South America.

Aolian Hydraulic Machinery is is a manufacturer and trader specialized in the research, development and production of piston rods, honed tubes and other hydraulic related products.located in Liaocheng, Shandong province, adjacent to Henan and Hebei province, which is an important steel and machinery industrial base of north China.company have 5 professional staffs in our international business team, the managers have more than 6 years export experiences in the steel and machinery industry and most of the rest staffs have more than 6 years experience.The team which is comprised of Sales department, Sourcing and QC department, Logistics department, Finance can provide the services like pre-sales consulting, deal negotiation, quality assurance and after-sales service. Our professional team can ensures your every procurement be cost saved and risk controlledThe products of our company are honed tubes & piston rods for hydraulic cylinders.Good and stable quality, reasonable price, on time delivery, nice and efficient services made us be trusted by the regular customers from more than 36 countries .Our business operation concept is: Provide one-stop comprehensive solutions for the steels sourcing of our customers, create value for customers and achieve mutual benefits.All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. We are looking forward to forming successful business relationships with new clients around the world in the near future."

Established in 2004,Tianchuang Hydraulic Machinery Co., Ltd is a manufacturer and trader specialized in the research, development and production of cold drawn tubes, piston rods, honed tubes, valves, pumps and other hydraulic related products. We are located in Weifang city in the east of China, 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.Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future."

Qingzhou Longyue Hydraulic Machinery Co.,Ltd as a professional manufacturer of honed tube, SRB tube, Chrome plated rod and Hydraulic cylinder & parts over 13 years, it was founded in 2004,

Company located in Qingzhou which the city near by expressway, High speed train, Qingdao Port/ Air port, with 50 employees and 40sets advanced equipment currently, we could handle huge order in nice quality.

As a result of technology accumulation and rich production experience, we earn many customers from over 20 countries & areas.

The company worships "Quality guaranteed, Delivery on time, Unsatisfaction refunded" as its objective. We sincerely welcome friends all over the world to come and build cooperate relationship in long time.

Xichuan County Tianrun Machinery Manufacturing Co., Ltd. is located in the urban industrial park of Xichuan County, 70 kilometers away from the head of the middle route of the South-to-North Water Diversion. "Quality first, customer first, prevention and control, continuous improvement" quality policy, steadfastly, and strive to do every product well.The company was completed and put into production in October 2012, has more than 170 professional and technical personnel for shock absorbers, and has strong design, development and production capabilities. It is a high-tech enterprise integrating R&D, production and sales, and has won more than 40 national patents. Existing annual production capacity of 6 million piston rods, 30,000 meters of chrome-plated long shafts, with all piston rod production procedures and testing equipment, professional piston rod production technicians and equipment maintenance and repair personnel, main equipment: automatic quenching machine , CNC lathes, centerless grinders, hard chrome plating lines, wire cutting, CNC milling machines, hardness testers, microscopic magnifiers, surface roughness testers, coating hardness testers, etc., to ensure that products are efficient and high-quality in the company Finish. In 2018, it was obtained by Nanyang Enterprise Technology Center in 2019, GB/T19001 quality management system certification, and ISO/TS16949:2009 in 2020, the company's product quality is guaranteed, and the company now has strong market competitiveness.The company has five departments and one office: manufacturing department, product research and development department, technical quality department, finance department, comprehensive management department, and performance inspection department. According to the company's process regulations, the company will work under the leadership of the general manager and continue to innovate. Continuously improve the competitiveness of the industry.

Jiangsu Fangrui Machinery Co.,Ltd(Former Changzhou Ruijia Hydraulic Parts Factory) is founded in 2004,company is one of the leading professional manufactures of hydraulic products.We are located in Changzhou,China which is the largest production base of Automobile and Auto parts in South of Jiangsu Province.We started the production of Hydraulic products in 2004 and keep inproving the quality management system.

the brand of "FANGRUI",we currently have KRM lifting system series and telescopic hydraulic cylinders for dump trucks and engineering plant,Meanwhile,we also procuce specially product according to their requestment for our customers.Till now ,our products are well received in Europe\The Middle East\Indonesia,Malaysia,Vietnam,Cambodia,Singapore,Japan and U.S.etc.

eam with innovation and vitality,we are specialized in developing,manufaturing,sales and after-service.We upgold the tenet of "keeping for good credit,performing for technological innovation,seeking for excellent quality and focusing on customers demand" as our principle.On the basis of our customers views,we insist on quality-inprovement and high-priority-product development,depending on the technology innovation.Beyand the voice of customer ,Fangrui pereserves in providing the highest-quality product and the best service

YUEQING HENGXIN (AirDrive) PNEUMATIC CO., LTD. is a manufacturer of pneumatic cylinder,pneumatic fittings,solennoid valve,air source treatment units,pneumatic accessories(piston rod,aluminium honed tube with well-equipped testing facilities and strong technical force.

With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in automation equipment,air drive equipment and other industries.

Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

Our main products: gas spring piston rod series (QPQ. stainless steel). Automobile and motorcycle shock absorber shaft. Damper shaft. Hollow shaft series, products are widely used in fitness equipment. Automobile. Motorcycle shock absorber. Furniture. Medical equipment According to customer needs, we can develop and produce shaft products with various specifications.

exquisite technology, strong technical force, and has a group of technical personnel with rich professional knowledge. The whole set of QPQ salt bath surface treatment technology was introduced earlier, so that the product has good wear resistance. Fatigue resistance. Excellent corrosion resistance It is equipped with perfect testing equipment to ensure stable and reliable product quality. The factory adheres to the principle of honesty and pragmatism, and provides customers with satisfactory products and excellent services.