What drawing formats can be used?

We accept PRO/E, Auto CAD, Solid Works, IGS, UG, CAD/CAM/CAE, and STEP.

What packing material is used for sea shipping?

We use European standard wooden pallets. Parts are packed in PE bags inside carton boxes.

How do you handle RFQs?

Sales receive the RFQ, hold a feasibility study meeting with R&D, feedback technical issues, and then provide a quote.

High-Quality Black Oxide Casting Components From China Factory

Name: High-Quality Black Oxide Casting Components From China Factory
Brand: Ningbo Suijin Machinery Technology Co., Ltd.
SKU: 2302848625

Zhejiang, ChinaNingbo Suijin Machinery Technology Co., Ltd.

US$1.30

1,000-4,999 Pieces

US$1.20

5,000-9,999 Pieces

US$1.10

10,000-49,999 Pieces

US$0.80

50,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Precision Casting

Model NO.

SJ01756-33

Molding Technics

Gravity Casting

Application

Machinery Parts

Material

Stainless Steel

Surface Preparation

Polishing

Surface Roughness

Ra3.2

Machining Tolerance

+/-0.01mm

Standard

DIN

Certification

ISO 9001:2000, IATF16949

Packaging

Standard Packaging with Carton Box and Pallet

Weight

0.005-20kg

Heat Treatment

Tbd

Precision Grade

Casting Tolerance CT5-CT7; Machining Dimension Tol

Complex-Shaped Parts

Avaliable

Metallographic Analysis

Yes

Minimum Wall Thickness

Min 1.5

Quality Assurance

Full-Process Quality Inspection

Transport Package

Carton Box+Wooden Pallet

Specification

N/A

Trademark

Origin

Zhejiang, China

Production Capacity

500000/Year

Key features

OEM & ODM Services: Custom parts from 2D/3D designs with R&D team support in early project phases.

Wide Material Selection: Stainless steel, carbon steel, alloy steel, gray iron, ductile iron, and more.

Advanced Inspection: Includes CMM, X-ray, ultrasonic, dye penetrant, and 100% thread inspection.

High Precision Tolerance: Machining tolerance up to +/-0.01mm with CT5-CT7 precision grade.

ISO & IATF Certified: Certified under ISO 9001:2000 and IATF 16949 for quality assurance.

Flexible MOQ: Accepts flexible purchase order quantities to meet diverse customer needs.

Comprehensive Surface Treatment: Options include heat treatment, zinc coating, polishing, shot peening, and DACROMET.

Experienced Manufacturer: Over 10 years of expertise in casting and CNC machining with skilled engineers.

Company profile

Ningbo Suijin Machinery Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2015-08-01Average Response Time: ≤3.08h

About Our Factory & Business Background

AddressYushan Tou Town, Haishu Area, Ningbo, Zhejiang, China

Our Production Capability & Technical Expertise

Main ProductsInvestment Casting Parts, Precision Casting Parts, Machining Parts, Auto Parts, Industry Parts, Building Parts, Marine Hardware, Valve/Pump Parts

Product Q&A

Q:Are you a factory or trading company?

We are a factory located in Ningbo city, China.

Q:What languages are available for communication?

English and Chinese are available. Besides email, we support video meetings and calls.

Q:How should I place an order?

We receive the purchase order (PO) and production drawings via email.

Q:Which shipping methods do you accept?

Sea and train shipping are used for mass production. DHL, TNT, FedEx, UPS, and EMS are used for samples.

Q:How can I contact you?

You can contact us by email, Skype, Teams, WhatsApp, or Facebook.

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