How can I track my production progress without visiting the factory?

Yes, after cooperation, our quality inspection team tracks the process and provides regular feedback. We send pictures, videos, and offer live video calls to show real-time order status.

Will my drawings remain safe after sending them to you?

Sure. We have a strict privacy policy to protect customer information. Your data is only shared with designated persons upon your permission.

Are you a trading company or a factory?

We are a factory with independent production control. We handle everything from raw material procurement to finished product delivery without outsourcing.

What materials can you process?

We process alloy steel, carbon steel, stainless steel, quenched and tempered steel, aluminum, and copper.

What is the warranty period for your products?

We provide a 1-year warranty covering quality guarantees for our forging and machining services.

Can you customize product specifications?

Yes, we offer full customization for size, heat treatment, hardness, and finishing based on your drawings and requests.

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Payment Protection:: Your payment is only released to the supplier after you confirm satisfactory delivery.Suppliers receive payment only upon your approval.
Dispute Resolution:: If issues arise (e.g., quality discrepancies, shipping delays), our team mediates and facilitates resolutions based on evidence.
Flexible Payment Options:: Supports credit cards (Visa/MasterCard), PayPal, Apple Pay, Google Pay, many local payment methods and T/T (bank transfer).

Heavy Wall Forged Hollow Sleeve

Ningbo Yinzhou Hisea Machinery Co., Ltd.

11 yrs

5.0 (1 Review)

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Product Highlights

Comprehensive Customization: Size, heat treatment, hardness, and finishing are fully customizable to meet specific requirements.
Wide Forging Capabilities: Offers mold, free, smith, open die, hot, and cold forging for gears, blocks, flanges, rings, and shafts.
Full In-House Production Control: No outsourced processing; raw material to finished product is strictly controlled internally.
Extensive Material Selection: Processes alloy steel, carbon steel, stainless steel, aluminum, copper, and quenched steel.
Rigorous Quality Inspection: Includes 100% inspection, ultrasonic, radiographic, magnetic, and tensile strength testing.
1-Year Warranty Coverage: Provides a 12-month quality guarantee for all mechanical defects and performance issues.
Global Market Experience: Serves major markets including USA, UK, Australia, Russia, and Canada with export since 2008.
Real-Time Production Tracking: Customers receive regular feedback, photos, videos, and live video calls on order status.

Product Attributes

Customization: Available
After-sales Service: 1 Year
Type: Forging Operation
Model NO.: 4870
Forging Forming Method: Mold Forging
Power Source: Hydraulic Pressure
Feature: High Efficiency
Certification: CCC, ISO9001, CE
Warranty: 12 Months
Customized: Customized
Advantage: Use Widely
Condition: New
Quality Guarantee: 1 Year
Heat Treatment: as Your Request
Hardness: as Your Request, Hb, HRC...
Size: Customized
Finishing: Anodized, Chrome Plating, Sandblast
Standards: DIN, ASTM, GB, JIS, ANSI, BS
Drawing: CAD/Dxf/STP/Rough Drawings
Quality Control: 100% Inspection
Package: Exporting Standard Packaging
Service: Expert of OEM ODM
Application: Oil and Gas Industry
Transport Package: Wood Cage or as Your as Your Request Investment C
Specification: According to the drawing
Trademark: No OR OEM
Origin: Ningbo, China (Mainland)
HS Code: 7318290000
Production Capacity: 5000 Piece/Pieces Per Month
Package Size: 450.00cm * 320.00cm * 240.00cm
Package Gross Weight: 300.000kg

Shipping

Shipping Cost:: Contact the supplier about freight and estimated delivery time.

Online Trading Protection

Payment Guarantee: Platform-protected payments with refund support for eligible order issues.
Platform Logistics: Clearer shipment tracking with platform-supported logistics.
Inspection Service: Optional pre-shipment inspection for quality and quantity checks.
After-Sales & Dispute Handling: Platform-assisted dispute resolution, including refunds or returns when applicable.

Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.

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Product Description

We provide high precision manufacturing services for CNC machining/ forging /metal fabrication...
all parts can be produced according to customer's drawings and designs.

Forgings including: mold forging , free forging, smith forging,open die forging, hot forging, cold forging.

Forging shape:Forged gear,Forged block,Forged flange,Forged ring,Forged shaft.

Production parameters
Materials	alloy steel, carbon steel, stainless steel, quenched and tempered steel, aluminum, copper
Heat treatment	normalizing, annealing, quenching and tempering, surface quenching, induction quenching
Mechanical processing	CNC turning, CNC milling, CNC boring, CNC grinding, CNC drilling
Gear processing	hobbing, gear milling, CNC gear milling, gear cutting, spiral gear cutting,
Inspection	Chemical composition testing, ultrasonic testing, penetration testing, radiographic testing,Magnetic testing, tensile strength testing, impact testing, hardness testing, size testing.
Test	Magnetic testing, tensile strength testing, impact testing, hardness testing, size testing.Chemical composition testing, ultrasonic testing, penetration testing, radiographic testing,
Main markets	United States, Australia, Malaysia, Israel, United Kingdom, Russia, Canada, etc.

Data parameters
Gear module	8-120
Maximum value for gear grinding	Module 24
Shaft diameter: maximum	2 200mm
Axis length: maximum	13000 millimeters
Gear diameter	MAX.13 000 mm
Spiral gear diameter	maximum. 2200mm
Gear shaft length: maximum	. 5000 millimeters

Technical process

Heavy Wall Forged Hollow Sleeve

Excellent service attitude, fast response speed, on-time delivery, and excellent after-sales service have been our practices since the beginning. Combined with high credit, competitive prices, close interaction with customers, and innovative working methods, we have won more and more business and excellent customer satisfaction.
Choosing us as your business partner would be the most correct choice for you.

Q: Is it possible to know how are my products going on without visiting your company?

A: Yes, it is. After the cooperation is reached, we will plan a perfect production solution for you. The Quality inspection team will track the production process and give regular feedback on the production progress to you. Our factory will also provide pictures and videos at any time. We can also let you see the real status of the order production through video calls.

Q: Will my drawings be safe after sending them to you?

A: Sure. We have a strict privacy policy and will protect each customer's information. It will only be given to the person you designate with your permission.

Q: Are you a trading company or factory?

It is worth mentioning that our entire production process is controlled independently and there is no outsourced processing. This means that every step from raw material procurement, forging processing, heat treatment to finished product delivery is strictly controlled by us. Through refined management and cost control, we are able to provide customers with more competitive prices while ensuring product quality.

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR213422". Items marked "" are certified.

Ningbo Yinzhou Hisea Machinery Co., Ltd.

Company Profile

Established in 1995, Ningbo Yinzhou Hisea Machinery Co., Ltd. Has morden and advanced CNC machining capibility, casting factories, forging workshops and stamping factories, including other capacibilities, such as welding, laser cutting, metal fabrication, CNC Turning and CNC Milling and molds development. 3, 4, 5, 6 and 7-axis precision CNC machining services for aluminum, brass, copper, steel, titanium, ABS, PEEK, PVC, PVDF, polyethylene, polystyrene, graphite, polyester and wood. Also have Capabilities include EDM, hole popping, drilling, boring, threading, tapping, knurling, broaching, counterboring, countersinking, profiling, reaming, parting, cutting and facing. Prototype and low to high volume production offered.

We combine experience with the latest technology to provide high quality products for all industries, including mecical, petroleum and oil field equipments, food industry, shipbuilding industry, aerospace industry, chemical industry, Electric Power Fittings, Engineering Machinery, hydraumatic, mining machinery, railway, motorcycle, marine equipments, drilling equipments, agricultural machinery industry, and automotives and commercial and aeronautics industries. We are located in the East of China, Ningbo city, which is famous for the second biggest container seaport in China.

CNC Machining: With advanced CNC machines, our unmatched in-house capacity ensures your parts are shipped on-time, every single time. Our ISO9001-certified CNC machining facilities are designed for both rapid prototyping and low-volume production of end-use components.

Stamping: Metal stamping technology for over many years knowledge, we can for you machining precision metal stampings, Delivering custom metal stampings and deep drawn stampings required a better solution and understanding of the customers needs

Casting: We Specializing in the manufacturing of lost wax / investment castings and sand casting and silica sol casting, our company is a large-scale professional casting foundry with powerful machining capabilities in China. It consists of 2 major facilities, both steel casting foundry and CNC machining factory which enable us to supply precision casting parts with annual capacity of over 20, 000 tons, and the products are mainly exported to Europe, America, Japan and other destinations around the world.

Forging: The company also manufactures specialized forged components for the power, energy, oil & gas, rail & marine, mining & construction equipments, and other industries. It is capable of producing complex large volume parts of steel, brass, aluminum and other alloy.

NINGBO HISEA receive the ISO9001 and ISO14001 and TS16949 certificate, and now running based on the ISO9001 quality control system. Provides custom manufacturing solutions to clients throughout the world. We can manufacture built-to-order parts, custom products and offer a wide variety of options to solve your problem. We can support high volumes and short-lead times.

We have made many brass/mild steel/alloy steel/ stainless steel...Machining spare parts, most of them were exported to the US, Canada and Germany, Japan, France. If you have any inquiries for custom stainless steel machining spare parts or custom CNC stainless steel machining parts, please do feel free to contact us and Hisea will be your best choice.

About Our Factory & Business Background

Address: No. 146 of Huaishu Road, Jiangbei District, Ningbo City, Zhejiang Province, Ningbo, Zhejiang, China
Terms of Payment: LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, EXW
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Nearest Port: NINGBO SEAPORT, SHANGHAI SEAPORT, SHENZHEN SEAPORT

Our Production Capability & Technical Expertise

Main Products: CNC Machining Parts, Investment Casting Parts, Stamping, Forging, Welding Service, Metal Fabricating Service, Laser Cutting Service, Die Casting, Metal Deep Drawn, Stainless Steel Accessories

Our Industry Experience & Global Business Record

Export Year: 2008-08-08
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

FAQ

How can I track my production progress without visiting the factory?: Yes, after cooperation, our quality inspection team tracks the process and provides regular feedback. We send pictures, videos, and offer live video calls to show real-time order status.
Will my drawings remain safe after sending them to you?: Sure. We have a strict privacy policy to protect customer information. Your data is only shared with designated persons upon your permission.
Are you a trading company or a factory?: We are a factory with independent production control. We handle everything from raw material procurement to finished product delivery without outsourcing.
What materials can you process?: We process alloy steel, carbon steel, stainless steel, quenched and tempered steel, aluminum, and copper.
What forging methods do you offer?: We provide mold forging, free forging, smith forging, open die forging, hot forging, and cold forging.
What is the warranty period for your products?: We provide a 1-year warranty covering quality guarantees for our forging and machining services.
Can you customize product specifications?: Yes, we offer full customization for size, heat treatment, hardness, and finishing based on your drawings and requests.