China Internal Spline Broaching Manufacturers Factory Suppliers
In the meantime, our company staffs a group of experts devoted to your advancement of Internal Thread Machining, Rotary Broaching, Surface Grinding Service. Our Internal Spline Broaching sell well all over the country, and the sales network has begun to take shape. We will serve our customers with strong technical force, advanced production equipment, standardized production technology, strict testing procedures and flexible sales policies. Our factory has fair prices, quality assurance, and fast delivery. We are willing to cooperate with your company to create a better future. Please call us for details. We take innovation as the power source of high quality development and achieve balanced development of quality, efficiency and scale. We maintain a mutually beneficial and win-win relationship with our suppliers and have a standardized procurement system as well as a high level of business partner satisfaction. All the work we carry out must conform to the laws of development and not go against the laws of development. Thanks to the support and love from all walks of life, our company has gone through an extraordinary development course and gained the recognition of the industry and the society.
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Internal Spline Broaching
Internal spline broaching is a high-precision machining process that uses a multi-tooth tool — the broach — to cut internal spline profiles in a single pass. Each successive tooth removes a...
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Laser Cutting
We run high-performance fiber laser tube cutters in parallel — dedicated to precision profiling of carbon steel, stainless steel, aluminum, and copper alloy tubes from φ16 up to 120mm.
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CNC Turning
CNC turning produces cylindrical components with ±0.02mm accuracy — from Φ2mm pins to Φ500mm shafts, up to 1000mm in length. We machine stainless steel, carbon steel, alloy steel, aluminum, and...
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Multi-axis CNC Machining
Multi-axis CNC machining handles complex geometries in a single setup — eliminating multiple clampings and the tolerance errors they introduce. We run 3-axis, 4-axis, 5-axis simultaneous, and...
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Thread Machining
Thread machining covers multiple processes for creating internal and external threads — rolling, milling, cutting, and grinding. Each method serves different applications: rolling cold-forms...
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Spline and Gear Hobbing
Hobbing is a continuous generating process that uses a helical cutting tool — the hob — to produce splines, spur gears, and helical gears with consistent tooth geometry across production runs....
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Internal and External Cylindrical Grinding
Cylindrical grinding is a finishing process that uses abrasive wheels to refine external (OD) and internal (ID) surfaces of round components — achieving tighter tolerances and better surface...
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Surface Grinding
Surface grinding uses a rotating abrasive wheel to produce flat surfaces with high dimensional accuracy and fine finish — removing oxide layers, correcting distortion, and preparing parts for...
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Spheroidizing Annealing
Spheroidizing annealing transforms the lamellar carbide structure in steel into a spheroidal (globular) form through controlled heating and slow cooling. This reduces hardness, improves...
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Carburizing
Carburizing is a thermochemical process that diffuses carbon atoms into the surface layer of low-carbon steels, increasing surface carbon content to approximately 0.8%. After quenching, this...
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Cleaning and Rust Prevention
Cleaning and rust prevention removes oils, greases, and cutting fluids from metal surfaces, followed by application of a protective coating to prevent oxidation during storage and transit. The...
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Cold Extrusion Dies
We design, manufacture, and maintain cold extrusion dies entirely in-house — from geometry definition to carbide selection, heat treatment, surface coating, and ongoing repair. This vertical...
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This supplier is a very good seller and we have been a pleasure to work with!
I will recommend these products to my friends!
Your designer listened to our suggestions and gave us a lot of help. We really appreciate him.
It looks like a great product, and it looks like it's easy to use and has a smooth experience. Thanks to the seller for his service.
We appreciate the fact that you are very meticulous and don't miss a single detail.
With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for Surface Grinding Service, Fine Blanking Dies, surface finishing. Ningbo Fenghua Bolong Machinery Manufacturing Co., Ltd. is one of the most professional internal spline broaching manufacturers and suppliers in China, also supports high quality customized service. With abundant experience, we warmly welcome you to buy durable internal spline broaching made in China here from our factory.


















