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.

Heavy Wall Forged Hollow Sleeve

Name: Heavy Wall Forged Hollow Sleeve
Brand: Ningbo Yinzhou Hisea Machinery Co., Ltd.
SKU: 2157004432

Zhejiang, ChinaNingbo Yinzhou Hisea Machinery Co., Ltd.

US$1.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

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

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

Key features

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.

Company profile

Ningbo Yinzhou Hisea Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2008-08-08Nearest Port: NINGBO SEAPORT, SHANGHAI SEAPORT, SHENZHEN SEAPORTAverage Response Time: ≤0.63hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, EXW

AI-Powered supplier vetting

SummaryNingbo Yinzhou Hisea Machinery Co., Ltd. is identified as a China-based manufacturer/factory, although another record describes the company as a trading company. Its stated capabilities cover CNC machining, stamping, casting, forging, welding, laser cutting, deep drawing, and related metal fabrication. The supplier reports annual CNC machining and stamping production of 200,000 sets, export activity since 2008, and 51%–70% of sales from exports. It claims more than 100 worldwide clients, an engineering team with 50 years of total R&D experience, and multiple management-system certifications, including ISO 9001, ISO 14001, TS 16949, ASME, and others. Evidence supports broad manufacturing, customization, and international supply capabilities. However, the provided information does not establish after-sales service procedures, financial credibility, or specific named customer cases.

CertificationsThe supplier reports holding multiple certifications and management-system standards, including ISO 9000, ISO 9001, ISO 14001, TS 16949, ASME, ISO 14000, ISO 20000, and GMP. Its CNC facilities are also described as ISO 9001-certified, providing explicit evidence of certification coverage.

R&D capabilityThe supplier reports 50 years of total R&D engineer experience and offers advanced 3-, 4-, 5-, 6-, and 7-axis CNC machining, EDM, prototyping, and low- to high-volume production. These capabilities provide explicit evidence of technical engineering and process-development capacity.

Production capacityThe supplier reports annual production of 200,000 sets for CNC machining and stamping parts and describes integrated capabilities in machining, stamping, investment and sand casting, forging, laser cutting, bending, and other processes. Its stated product range includes automotive, railway, oil-field, and other metal parts, indicating broad production coverage.

Customization capabilityThe supplier explicitly offers customized CNC machining parts, custom stainless-steel machining, precision metal stampings, deep-drawn stampings, laser cutting and bending, and prototype through high-volume production. It also supports numerous materials and secondary processes, directly demonstrating substantial customization capability.

Product Q&A

Q: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.

Q: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.

Q: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.

Q:What materials can you process?

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

Q:What forging methods do you offer?

We provide mold forging, free forging, smith forging, open die forging, hot forging, and cold forging.