What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Is customization available?

Yes, we offer customization from designs, samples, minor customization, and full customization.

What certifications do you have?

We are certified under ISO 9001:2008, TF16949, and our products have CE certification.

Investment Casting Stainless Steel Lock Cover

Name: Investment Casting Stainless Steel Lock Cover
Brand: Qingdao Donrex Co., Ltd.
SKU: 727561462

Shandong, ChinaQingdao Donrex Co., Ltd.

Negotiable

50 Pieces

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Model NO.

Lock Cover

Molding Technics

Gravity Casting

Application

Hardware

Material

Stainless Steel

Surface Preparation

Sand Blast

Surface Roughness

Ra6.3

Machining Tolerance

+/-0.02mm

Standard

ASTM

Certification

ISO 9001:2008, TF16949

Deliver Time

25-35 Days

Transport Package

Bubble Bag, Carton, Pallets or Wooden Box

Specification

Drawing

Trademark

OEM

Origin

China

Production Capacity

200000 PCS/Month

Key features

High Precision Casting: Machining tolerance of +/-0.02mm with Ra6.3 surface roughness for complex parts.

ISO Certified Quality: Certified under ISO 9001:2008 and TF16949 standards for reliable manufacturing.

Versatile Process Options: Offers Silica Sol for high precision and Water Glass for larger castings up to 200 lbs.

Comprehensive Secondary Ops: Includes heat treatment, machining, plating, painting, polishing, and assembly services.

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

24/7 Customer Support: Sales department available 24 hours to solve problems and assist customers quickly.

Full Customization: Supports customization from designs, samples, and minor to full customization options.

100% Quality Inspection: Finished products undergo 100% visual and function inspection with traceable raw materials.

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: ≤10.03h

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.