What is the machining tolerance?

The machining tolerance is +/-0.02mm.

What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the surface treatment for the impeller?

The surface preparation includes passivation treatment, and surface treatment options include polishing and passivation.

Heavy Customized Investment Casting Impeller for Pump Parts Impeller Pump

Name: Heavy Customized Investment Casting Impeller for Pump Parts Impeller Pump
Brand: Dongying Sanhao International Trade Co., Ltd
SKU: 2026322642

Shandong, ChinaDongying Sanhao International Trade Co., Ltd

US$26.00

100-499 Pieces

US$25.80

500-999 Pieces

US$22.80

1,000+ Pieces

Product profile

Customization

Available

Casting Method

Investment Casting

Process

Precision Casting

Model NO.

Part 5

Molding Technics

Pressure Casting

Application

Marine Hardware

Material

Stainless Steel

Surface Preparation

Passivation Treatment

Surface Roughness

Ra3.2

Machining Tolerance

+/-0.02mm

Standard

Certification

RoHS, ISO 9001:2000

Place of Origin

Shandong, China

Type

Pump Valve Fitting

Sample

Availabe

Packing

Carton

Surface Treatment

Polishing, Passivation

Transport Package

Plywood Case

Specification

1000*900*600mm

Trademark

custom

Origin

China

HS Code

8413910000

Key features

Full Customization: Full customization available for materials, designs, and specific requirements.

High Precision Casting: Investment casting with +/-0.02mm machining tolerance and Ra3.2 surface roughness.

Premium Materials: Available in stainless steel, carbon steel, alloy steel, aluminum, copper, and bronze.

Experienced Engineering: Professional engineers with over 15 years of experience in casting processes.

Quality Certifications: Products certified with RoHS and ISO 9001:2000 standards.

Wide Application: Suitable for marine hardware, automotive, oil drilling, and hydraulic machinery.

Fast Delivery: One month lead time for both peak and off-season production.

One-Stop Service: Integrated design, production, trade, and technical support services.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language Pioneer

Dongying Sanhao International Trade Co., Ltd

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Full Customization CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.70h

AI-Powered supplier vetting

SummaryDongying Sanhao International Trade Co., Ltd. is a China-based trading company established in 2018 with three employees. It reports its own machining factory, warehouse, and relationships with other Chinese factories, but the available evidence does not establish production scale or independently verified manufacturing capacity. The supplier exports 90% of total sales and has exported for five years, indicating meaningful international trading experience. It offers full customization and ODM services, but has only one R&D engineer, no SDK, and no new products launched in the last year. It has no stated Fortune 500 cooperation, overseas showroom, overseas agents or branches, offline trade-show participation, or overseas service coverage. Financial records are referenced for 2020–2022, but no financial results are provided. Raw-material traceability is unknown, and service-capability assessment relies on relevant records without a written procedure.

Supplier typeThe supplier is explicitly identified as a trading company and limited company based in Dongying, Shandong, China, with three employees. Its description also states that it integrates design, production, trade, and technical services and has an own machining factory and warehouse, but the available information does not change its registered business type.

After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, offline trade-show participation, or overseas service coverage, while its stated service proximity is Qingdao Port. It accepts common quotation and payment terms and reports one-month lead times, but these facts do not establish a broader after-sales service network.

R&D capabilityThe supplier has one R&D engineer, no available SDK, and no new products launched in the last year. Although it offers ODM services and full customization, the stated lack of recent new-product output and limited R&D staffing indicate a clear weakness in demonstrated innovation activity.

Customization capabilityThe supplier explicitly provides full customization and ODM services, which directly supports customized design and product-development requirements. This is one of the supplier’s strongest documented capabilities, although only one R&D engineer is reported.

Client casesThe supplier reports no cooperation with Fortune 500 companies and provides no named customer cases or other verifiable reference projects. A repeat-buyer preference of 50%–80% is stated, but it does not identify customers or substantiate specific cases.

Product Q&A

Q:What materials are available for this impeller?

We provide casting products in gray iron, ductile iron, stainless steel, carbon steel, alloy steel, aluminum alloy, copper, bronze, and other materials specified by customers.

Q:What is the minimum order quantity?

The minimum order quantity is 10 sets.

Q:Can you customize the design and material?

Yes, we offer full customization. You can specify materials, designs, and requirements, and our engineers will help realize your ideas.

Q:What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Q:What certifications do your products have?

Our products are certified with RoHS and ISO 9001:2000.