What certifications do you hold?

Our products and management systems are certified under ISO 9001:2008, ISO 9001:2015, RoHS, TF16949, and CE.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is first article inspection provided?

Yes, first article layouts and spectrometer material certifications are provided with all first article samples.

Flexible Aluminum Alloy Engine Piston

Name: Flexible Aluminum Alloy Engine Piston
Brand: Qingdao Donrex Co., Ltd.
SKU: 736907162

Shandong, ChinaQingdao Donrex Co., Ltd.

US$3.50-8.00

200 kg

Product profile

Customization

Available

Type

Clay Wet Sand

Casting Method

Directional Crystallization

Model NO.

Engine Piston

Sand Core Type

Resin Sand Core

Application

Machinery Parts

Machining

Machining Center

Material

Aluminium & Aluminum Alloy

Surface Treatment

Sand Blast

Surface Roughness

Ra0.8

Standard

ASTM

Certification

RoHS, ISO 9001:2008, TF16949

Transport Package

Bubble Bag, Carton, Pallets or Wooden Box

Specification

OEM

Trademark

OEM

Origin

China

HS Code

76169910

Production Capacity

12000 Ton Per Year

Key features

Wide Weight Capacity: Accommodates parts from 0.05kg to 20 tons depending on material and method.

Multiple Molding Methods: Offers green sand, resin sand, and water glass sand casting options.

Comprehensive Material Range: Supports grey iron, ductile iron, carbon steel, alloy steel, aluminum, and copper.

Extensive Secondary Operations: Includes shot blasting, heat treatment, machining, and custom packaging.

Global Manufacturing Experience: 20 years of success with exports to North America and Europe.

Flexible Customization: Full, minor, and flexible customization available from designs or samples.

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

24/7 Customer Support: Sales department available around the clock to solve 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: ≤9.57h

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.