1. Shandong Jinbaide Metal Products Co., Ltd. : It has 15 years of experience in producing high - quality honed tubes and a team of more than 100 designers and R & D personnel. Its honed tubes are produced by advanced processes such as precision grinding and high - precision polishing, and various technical indicators meet national standards. It can meet the diverse customization needs of users.
2. Wuxi Tengye Machinery Co., Ltd.: It is a professional manufacturer of various honed cylinders, rolled cylinders, and hydraulic cylinders. It has strong technical strength and R & D capabilities. Its products are mainly in large, medium, and small sets, with strong matching capabilities. It can also design and manufacture special cylinders and hydraulic cylinders according to user requirements.
3. Huai'an Maochen Precision Industry Co., Ltd. : Founded in 2009, it mainly produces high - precision cold - drawn tubes, honed tubes, skived and roller - burnished tubes, etc., with an annual output of more than 30,000 tons. It is located in the Yangtze River Delta region with convenient transportation and has established good cooperative relationships with many well - known domestic and international enterprises.
4. Suzhou Xinneng Precision Machinery Co., Ltd.: Although it mainly produces honing machines and honing tools, its technical advantages in the honing field can provide strong support for the production of honed tubes. The company has a professional R & D team and has established provincial - level engineering technical research centers and enterprise technical centers.
5. Shandong Pulisen Group Co., Ltd.: It is a comprehensive industrial group with a long history. Its predecessor is the Dezhou Machine Tool Factory established in 1940. It focuses on the development and production of products such as ordinary lathes, CNC lathes, heavy - duty lathes, and deep - hole processing machine tools. It has strong technical strength in the field of machining and certain advantages in the production of honed tubes.
6. Skyline Precision Steel Pipe Manufacturing Co., Ltd.: Established in 1996, it has more than 20 years of experience in manufacturing honed tubes and other precision steel tubes. The factory covers an area of 40,000 square meters, with a building area of 30,000 square meters and a production plant area of 25,000 square meters. It produces cold - drawn seamless tubes, honed tubes, and hydraulic cylinder tubes of more than 20,000 tons annually.
7. Sichuan Youji Precision Machinery Manufacturing Co., Ltd. : It is one of the well - known enterprises in the Sichuan area. It has certain technical strength and production experience in the field of precision machinery manufacturing and also has certain competitiveness in the production of honed tubes.
8. Changbao Precision Steel Tube Co., Ltd.: It has certain advantages in the production of honed tubes for engineering machinery and automobiles. Its products have high precision and good surface finish, and meet the requirements of relevant standards in terms of dimensional accuracy, surface quality, and mechanical properties.
9. ZHEJIANG DINGXIN STEEL TUBE MANUFACTURING CO., LTD., founded in 2004, is a leading precision seamless steel tube manufacturer in China. Our factory is located in Jiaxing City, which is only 100 kilometers away from Shanghai. It covers an area of 25,000 ㎡, with an annual production capacity of 30,000+ tons.
Dingxin tubes embody nearly 20 years of experience in the manufacture of cold-drawn and cold-rolled precision seamless steel tubes. We manufacture according to the industry's highest standards and test rigorously. It can meet the requirements of ASTM A519, DIN 2391, EN 10305-1, GB/T 3639, JIS G3445, etc.
Our facilities include some of the latest technology, up-to-date production, and testing equipment. Thanks to our fully integrated in-house manufacturing process, from piercing, cold drawing, cold rolling, and heat treatment to mechanical processing. We manufacture the most reliable tube products with high flexibility and deliver on time.
Dingxin has established standardized and comprehensive quality management systems. It is certified by ISO9001 and IATF16949 in 2007 and 2012 respectively. Meanwhile, the company is technology-oriented and invests heavily in improving equipment, processing, and R&D to improve competitiveness and sustainability. In 2018, we won the honor of "National High-Tech Enterprise"
