What certifications does the product have?

The product is certified with ISO 9001:2008 and TF16949.

What is the weight range for castings?

Weight ranges vary by method: Green sand (0.05-15000Kg), Resin sand (0.5-18000Kg), and Water glass sand (5-20000Kg).

Custom Sand Casting Red Painted Pump Body Gearbox Shell with Precision Machining

Name: Custom Sand Casting Red Painted Pump Body Gearbox Shell with Precision Machining
Brand: Qingdao Donrex Co., Ltd.
SKU: 2148206302

Shandong, ChinaQingdao Donrex Co., Ltd.

US$1.00-5.00

500 Pieces

Product profile

Customization

Available

Casting Method

Directional Crystallization

Application

Hardware

Model NO.

OEM

Surface Roughness

Ra12.5

Standard

OEM

Certification

ISO 9001:2008, TF16949

Transport Package

Bulk Packing

Specification

Customized specs

Trademark

OEM

Origin

Shandong

HS Code

73249000

Production Capacity

500000sets/Month

Key features

Wide Weight Range: Capable of producing parts from 0.05kg to 20 tons across various sand casting methods.

Full Customization: Offers full customization, minor customization, and flexible options from designs or samples.

20 Years Experience: 20 years of manufacturing success in China with extensive worldwide exporting experience.

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

Multi-Material Support: Supports Grey iron, Ductile iron, Carbon steel, Alloy steel, Stainless steel, Aluminum, and Copper.

Certified Quality: ISO 9001:2008 and TF16949 certified with 100% finished product inspection.

24/7 Support: Sales department available 24 hours to help customers solve problems quickly.

Cost-Effective Solution: Low cost mold materials and focus on efficiency offer competitive pricing.

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: ≤9.52h

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.