China Spheroidize Annealing Manufacturers Factory Suppliers
Administration advertising and marketing gain, Credit history attracting buyers for Carburizing, Vacuum Carburizing, Induction Hardening Service. Our Spheroidize Annealing is widely praised for the advanced and practical features, thus making a lot of profits for the company. Our commitment to sustainability and social responsibility is reflected in every aspect of our business, from our operations to our products and services. The company has gathered professional talents to provide customers with good pre-sale, in-sale and after-sales services, and provide customers with ideal product solutions tailored to achieve economic, practical and efficient. Our company's aim is to produce high quality products and provide customers with the expected service. Our products meet all relevant international safety and quality standards. Our company has strong strength, we pay attention to credit, abide by the contract, ensure the quality of products, won the trust of the majority of customers.
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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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Cold Heading
Multi-station cold heading is a high-speed metal forming process that shapes wire or rod stock into finished or near-finished components at room temperature through a sequence of extrusion,...
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Isothermal Forging
Isothermal forging keeps both die and workpiece at the same temperature throughout the forming cycle — eliminating die chilling and enabling complex, near-net shape components in aluminum alloys...
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Deep Drawing
Deep draw stamping is a metal forming process that transforms flat sheet metal or tubular blanks into seamless, hollow components where the depth typically exceeds the diameter. The process uses a...
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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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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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Induction Hardening
Induction hardening uses electromagnetic induction to heat specific surface areas of a part — with heating times measured in seconds — followed by immediate water or polymer quenching. The rapid...
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Tempering
Tempering is a mandatory post-quenching heat treatment. Fresh martensite is hard but brittle, with high residual stress. Without tempering, a quenched part is prone to cracking or fracture in...
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Shot Blasting
Shot blasting is a mechanical surface preparation process that propels spherical metal shot at high velocity (65–110 m/s) using a centrifugal wheel . The impact of the shot removes mill scale,...
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Progressive Stamping Dies
We design, manufacture, and maintain progressive stamping dies entirely in-house — from strip layout and station sequencing to tool steel selection, heat treatment, surface engineering, and...
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The company's quality policy is to exceed customer expectations, which reflects the company's eternal pursuit of excellent quality. The company adheres to the quality leadership, and is committed to
We are a leading global supplier of High Precision Cold Header Dies, Thread Rolling with a strong track record of success. Ningbo Fenghua Bolong Machinery Manufacturing Co., Ltd. is one of the most professional spheroidize annealing manufacturers and suppliers in China, also supports high quality customized service. With abundant experience, we warmly welcome you to buy durable spheroidize annealing made in China here from our factory.


















