What is the minimum order quantity?

The minimum order quantity is 100 Pcs.

What certifications do your products have?

Our products are certified under ISO 9001:2008, Ts16949, and CE standards.

Custom Plated Polished Investment Cast Steel Oil Pump Impeller

Name: Custom Plated Polished Investment Cast Steel Oil Pump Impeller
Brand: Qingdao Donrex Co., Ltd.
SKU: 740952122

Shandong, ChinaQingdao Donrex Co., Ltd.

US$0.10-10.00

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Model NO.

OEM

Molding Technics

Gravity Casting

Application

Machinery Parts

Material

Stainless Steel

Surface Preparation

Sand Blast

Surface Roughness

Ra0.8

Machining Tolerance

+/-0.01mm

Standard

ASTM

Certification

ISO 9001:2008, Ts16949

Deliver Time

25-35 Days

Transport Package

Bubble Bag, Carton, Pallets or Wooden Box

Specification

OEM

Trademark

OEM

Origin

China

Production Capacity

500000/Year

Key features

High Precision Casting: Machining tolerance of +/-0.01mm with surface roughness Ra0.8 for complex parts.

ISO Certified Quality: Certified under ISO 9001:2008 and Ts16949 standards for reliable performance.

Custom Surface Treatment: Offers sand blast, plating, polishing, and buffing for customized finishes.

Expert Silica Sol Process: Specializes in fine detail work including teeth and serrations for small parts.

20 Years Experience: 20 years of manufacturing success and global exporting experience in China.

Flexible Customization: Supports full, minor, and flexible customization from designs or samples.

Fast Lead Time: Normal lead time ranges from 1 to 6 weeks for fully-machined components.

24/7 Customer Support: Sales department available 24 hours to solve customer problems quickly.

Company profile

Full CustomizationR&D CapabilitiesODM ServicesManagement Certification

Qingdao Donrex Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤10.15h

AI-Powered supplier vetting

SummaryThe supplier offers broad customization, exports approximately 90% of sales, has exported for 18 years, and reports standardized finished-product inspection instructions. It holds CE and ISO9001:2015 certifications and has seven R&D engineers, but launched no new products last year and is explicitly not classified as a professional technical supplier or a provider of 3D software design. The supplier lacks stated inventory, overseas warehouse, overseas showroom, overseas agents or branches, and offline trade-show participation. Manufacturing capacity is constrained by the absence of a valid contract with related subcontractors. Customer evidence is limited: there is no cooperation with Fortune 500 companies, while repeat-buyer preference is reported at 50%–80%. Financial credibility cannot be assessed because no relevant financial information is provided.

CertificationsThe supplier reports CE product compliance certification and an ISO9001:2015 management-system certificate. These are explicit certifications supporting compliance and quality-management capability.

After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. It does provide several quotation and payment options, but the stated international service infrastructure is limited.

R&D capabilityThe supplier has seven R&D engineers and offers multiple forms of customization, but it is not a professional technical supplier, does not provide 3D software design services, and launched no new products in the past year. The evidence shows customization capacity but weak recent product-innovation evidence.

Production capacityThe supplier has written and uniformly followed finished-product inspection instructions, reports one-month average lead times in both peak and off-season periods, and identifies 40 qualified suppliers for service capability. However, it has no inventory capability and no valid manufacturing-capacity contract with related subcontractors, creating an explicit production-structure deficiency.

Customization capabilityThe supplier explicitly provides customization from designs, customization from samples, full customization, minor customization, and flexible customization. This is direct evidence of a broad range of customization services.

Product Q&A

Q:Can we get the samples?

Yes, we can supply you the samples for checking our quality within 10-30 days.

Q:Can we place a trial order first time?

Yes, we are glad to supply you small trial order, and hope your quantity will be big in future.

Q:Can you help us to do the customs clearance of import?

Yes, we can help you to do the customs clearance.

Q:What is your lead-time?

With our design, fabrication and manufacturing skills and experience, we can efficiently exceed your expectations and meet the time frame required. However, we guarantee that quality and service are never compromised.

Q:What materials are available for casting?

We provide investment cast steel parts, including stainless steel, suitable for machinery parts and railway applications.