China Carburizing Manufacturers Factory Suppliers
We strictly control the quality of Induction Hardening Steel Parts, Induction Heat Treatment, Spheroidizing Annealing, starting from the raw materials inspection, products adhering to the 'quality to win, quality to new' development direction and the work style of excellence. Our company specializes in producing Carburizing, which is a favorite supplier of customers. We have an independent production workshop and a professional logistics distribution system. After years of development and accumulation, the independent factory has formed a complete production chain, and also we have achieved comprehensive control of product quality. We are committed to providing our clients with the latest industry insights and trends. Our company has a strict quality control system to ensure product quality. The company strives to explore the potential of employees and cultivate their talents so that they can wholeheartedly create economic benefits for the company. Our team is passionate about what we do and is dedicated to achieving success for our customers and partners. Our company firmly believes that the road to entrepreneurship is not always smooth, so in the most difficult times, the company is always determined, united and aware of the difficulties, with a resilient will and the spirit of hard work, to face difficulties, challenge difficulties, and finally overcome difficulties, solve difficulties.
Add to Inquiry
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...
Add to Inquiry
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.
Key...
Key...
Add to Inquiry
Bending and Forming
Bending and forming is a sheet metal fabrication process that uses press brakes and specialized tooling to create angled, channeled, and contoured profiles from flat sheet stock. Unlike stamping —...
Add to Inquiry
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...
Add to Inquiry
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....
Add to Inquiry
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...
Add to Inquiry
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...
Add to Inquiry
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...
Add to Inquiry
Surface Lubrication
Surface lubrication applies solid or dry-film lubricant coatings to metal surfaces to reduce friction, prevent galling, and extend die life in cold forming operations . The lubricant layer is...
Add to Inquiry
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,...
Add to Inquiry
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...
Add to Inquiry
Hot Forging Dies
We design, manufacture, and maintain hot forging dies entirely in-house — from geometry definition and hot-work tool steel selection to heat treatment, surface engineering, and ongoing repair....
Hector Cabrera
Your after-sales service attitude is great!
Roger Lopez
If it wasn't for my friend's recommendation, I couldn't know such a good supplier.
Stanley Nielsen
The custom design of the designers and the dedication of the production team have truly saved time, worry and effort. Every one of our employees expresses affirmation and gratitude to this
Curtis Rowland
Such a good and cheap thing is worth earning. Don't you want to visit this company? The product quality is very high, the delivery speed is fast, and the packaging is exquisite. It is a pleasant
Manuel Wilson
This company has always been committed to providing the best service, with a customer first philosophy. They always believe that only good service and quality products can retain customers.
Jeri Levesque
This purchase is the most satisfying one for me. Thank you very much for the serious attitude of the manager, who was able to help me solve all my pre-purchase doubts. The product turned out to be
Our company abides by the business purpose of "customer is the source, innovation is the way". In the development of the enterprise, with the core values of "responsibility, value, and sharing", adhering to the corporate vision of becoming a trusted and leading development, and striving to be a great enterprise in the field of Upper Air Chamber, Spheroidizing Annealing. Ningbo Fenghua Bolong Machinery Manufacturing Co., Ltd. is one of the most professional carburizing manufacturers and suppliers in China, also supports high quality customized service. With abundant experience, we warmly welcome you to buy durable carburizing made in China here from our factory.
