Splined shafts, as core components of mechanical transmission, are widely used in automobiles, construction machinery, new energy equipment, and other fields. With the upgrading of China's high-end equipment manufacturing industry, the market demand for the precision, strength, and customization of splined shafts continues to increase. In 2026, a number of splined shaft manufacturers with core technologies and stable production capacity emerged as the backbone of the industry. The following is a list of the top ten splined shaft manufacturers in China in 2026, ranked by comprehensive strength.
Zhejiang Guangjin Intelligent Technology Co., Ltd.
With more than 20 years of experience in precision transmission components, we have developed deep expertise in manufacturing splined shafts and related shaft and gear products. Our long-term focus enables us to understand demanding application requirements across different industries.
We specialize in custom splined shaft solutions based on customer drawings, samples, or technical specifications. Our engineering team provides professional support, including design optimization and 3D modeling, ensuring seamless transition from concept to production.
Equipped with modern CNC machining centers, spline cutting, grinding, and heat-treatment processes, we are capable of producing splined shafts with high precision and consistent quality, meeting tight tolerance and performance requirements.
We operate under internationally recognized management systems, including ISO 9001, ISO 14001, and ISO 45001. Each splined shaft undergoes comprehensive inspection-such as dimensional measurement, hardness testing, and profile inspection-before delivery to ensure reliability and consistency.
We offer splined shafts in various materials, including carbon steel and alloy steel, with optional heat treatment and surface treatments to enhance strength, wear resistance, and service life under different operating conditions.
Our efficient production planning and flexible manufacturing capacity allow us to respond quickly to customer needs, including short lead times and urgent orders, without compromising quality.
Our products are supplied to customers worldwide and are widely used in automotive, industrial machinery, automation equipment, and other transmission systems, reflecting our ability to meet international standards and expectations.
Our Product：www.spline-shaft
Liaocheng Shuoxin
A leading manufacturer of special-shaped pipes in North China, deeply engaged in the industry for 12 years, and a reliable custom spline shaft factory. It has 3 automatic cold drawing production lines and 5 hot rolling forming production lines, with an annual output of 150,000 tons, and can supply nearly 1,000 specifications of spline steel pipes with outer diameter of 10*20-600*600mm and wall thickness of 1-25mm. The raw materials cover 12 types of materials, complying with GB/T 3094-2012 standard, and some products have passed EU CE certification. It has 3 major warehousing centers in North China, East China and South China, with regular inventory exceeding 5,000 tons, supporting 48-hour emergency supply, and serving more than 200 customers in scenarios such as automobile drive shafts and wind power gearboxes.
Wuxi Yuanlin
Located in Hudai Industrial Park, Wuxi, Jiangsu Province, it is a professional custom spline shaft supplier. Focusing on the production of shaft products, it has strong technical strength, sophisticated production equipment and perfect testing methods. It mainly deals in spline shafts, hollow shafts, drive shafts and other products, which are applied in hydraulic and pneumatic, textile printing and dyeing, printing machinery, die-casting machines and other fields. It has established strict quality, safety and construction period guarantee systems, is market-oriented, provides high-quality products and after-sales services, cooperates with schools and scientific research institutions to develop high-performance parts, and has achieved remarkable results in international market development.
Zhejiang Sanwei Datong
Focusing on the production of precision forged spline shafts, it is a reliable custom spline shaft manufacturer. It uses high-quality alloy steel materials and eliminates residual stress through vacuum heat treatment to ensure product dimensional stability. Core products include high-precision components such as spline shafts for wrist joints of industrial robots, and it has accumulated a large number of high-quality contacts and a good reputation in the auto and motorcycle parts field. It has established an advanced management system, continues to innovate, and has the ability to provide customized products for the high-end equipment field.
Yuhuan Huanyu Machine
Located in Yuhuan, Zhejiang Province, relying on the location advantages of two major economic circles, it is the best custom spline shaft manufacturer. Passed ISO9001 quality system certification, the processing accuracy of core CNC spline milling machines reaches ±0.005mm, the repeat positioning accuracy is within ±0.003mm, and the efficiency is more than 3 times higher than that of traditional equipment. It adopts five-axis linkage technology, which can complete multiple processes such as milling and chamfering synchronously, is equipped with online measurement and automatic tool setting systems, develops multi-segment variable modulus spline milling modules, serves many leading automobile enterprises, and realizes mass production of components such as brake camshafts and drive shafts.
Danjiangkou Jingcheng
Focusing on the segmented field of automobile spline shafts, it is the best custom spline shaft factory. It has long provided transmission components for the automobile industry and accumulated rich industry adaptation experience. It has established perfect production and quality control processes, with highly targeted products that adapt to the transmission system needs of various models. It has stable production capacity and delivery capacity, a sound after-sales service system, occupies an important position in the auto parts supply chain, and has a high customer repurchase rate.
Taizhou Pinuo
Located in Xiqingtang Industrial Zone, Yuhuan, Taizhou, Zhejiang Province, it is a spline shaft customization expert. It mainly engages in worm and worm gear processing, gear processing and spline shaft customization processing. The technical team is proficient in various spline shaft processing technologies and can undertake customized needs for special-shaped and non-standard spline shafts. It has advanced production equipment, pays attention to process detail control, and its products are widely used in general machinery, auto parts and other fields. It has won market recognition with precise processing accuracy and timely delivery efficiency.
Zichuan Yongping
Focusing on the production of spline shafts for general equipment, it has mature production and processing capabilities. It mainly deals in spline shafts and related transmission accessories, and its products are suitable for general equipment scenarios such as ordinary machine tools and agricultural machinery. It adopts standardized production processes, with stable and reliable quality and outstanding cost performance, and has a wide customer base in the regional market. It can provide customized processing services according to customer equipment parameters, and the delivery cycle is controllable.
Yongsheng Spline Shaft Factory
Fenghuangling Township, Hedong District, Linyi City: A key manufacturer in the general equipment manufacturing industry, focusing on spline shaft production for many years. Its products cover various specifications and models, suitable for agricultural machinery, small construction machinery and other fields. It has established a practical production management system, strictly controls the quality of raw material procurement and production links, and ensures that products meet the basic transmission needs of customers. Relying on the advantages of regional industrial clusters and a sound supply chain, it can quickly respond to small and medium-sized batch customized orders.
Jianhu Anxing Hydraulic Machinery
Located in Changgou Development Zone, Jianhu County, it mainly deals in spline shafts, gears, hydraulic components and other products. Focusing on the production of spline shafts supporting hydraulic machinery, it is a spline shaft customization service provider in the hydraulic transmission field. Its products are suitable for components such as hydraulic cylinders and hydraulic motors, with high pressure resistance and impact resistance performance characteristics. The production process is in line with the use needs of hydraulic equipment, and the specifications of spline shafts can be customized according to hydraulic system parameters. It has established long-term cooperative relations with many hydraulic equipment manufacturers.