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Product profile
Customization
AvailableType
Clay Wet SandCasting Method
Thermal Gravity CastingModel NO.
valve bodySand Core Type
Resin Sand CoreApplication
ValveMachining
Machining CenterMaterial
IronSurface Treatment
Sand BlastSurface Roughness
Ra12.5Standard
ASTMCertification
ISO 9001:2008, TF16949Transport Package
Bubble Bag, Carton, Pallets or Wooden BoxSpecification
DrawingTrademark
OEMOrigin
ChinaHS Code
73269090Production Capacity
6000 Tons Per YearKey features
Wide Weight Range: Capable of producing parts from 0.05kg to 20 tons across various sand casting methods.
Multiple Material Options: Supports Grey Iron, Ductile Iron, Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, and Copper.
Flexible Customization: Offers full customization from designs or samples, including minor and flexible adjustments.
Comprehensive Secondary Ops: Provides shot blasting, heat treatment, machining, surface treatment, assembly, and custom packaging.
Quality Assurance: 100% visual and function inspection with spectrometer certifications and specialized reports.
Fast Lead Time: Normal lead times for fully-machined components range from 1 to 6 weeks.
Global Experience: 20 years of manufacturing success with exports to North America and Europe.
Cost-Effective Solution: Low cost mold materials and focus on efficiency provide competitive pricing.
Company profile
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: ≤9.86h
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:What is the weight range for sand castings?
A:
The weight range varies by method: Green sand (0.05-15000kg), Resin sand (0.5-18000kg), and Water glass sand (5-20000kg). Steel castings can go up to 20 tons.
Q:Which materials are available for sand casting?
A:
Available materials include Grey Iron, Ductile Iron, Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, and Copper alloys.
Q:What secondary operations are provided?
A:
We offer shot blasting, heat treatment, machining, surface treatment, assembly services, and custom packaging.
Q:What is the minimum order quantity?
A:
The Minimum Order Quantity (MOQ) is 100 Pcs.
Q:What are the lead times for production?
A:
Normal lead times for fully-machined components range from 1 to 6 weeks.
Send Inquiry
*To:
Qingdao Donrex Co., Ltd.
Qingdao Donrex Co., Ltd.*Content:
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