What are the casting tolerances and roughness?

Casting tolerance is CT5-CT6 with a roughness of Ra3.2-6.4. Machining tolerance is +/-0.02mm with a roughness of Ra0.8-1.6.

What materials are available for investment casting?

We offer stainless steel (304/304L, 316/316L, 310, 410), duplex stainless steel (2205, 2507), carbon steel (C45, 1020), and alloy steel (4310, 8620, 16MnCr5).

What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

Silica Sol Investment Casting for Various Divices, Machines and Equipments

Name: Silica Sol Investment Casting for Various Divices, Machines and Equipments
Brand: Dongying Highco Metal Manufacturing Co., Ltd.
SKU: 2222243685

Shandong, ChinaDongying Highco Metal Manufacturing Co., Ltd.

US$9.99-49.99

100 Pieces

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Model NO.

HP-008-01-08

Molding Technics

Gravity Casting

Application

Machinery Parts

Material

Cast Steel

Surface Preparation

Polishing

Surface Roughness

Ra0.8

Machining Tolerance

+/-0.02mm

Standard

AISI

Certification

ISO 9001:2015

Casting Tolerance

CT5-CT6

Casting Roughness

Ra3.2-6.3

Special Treatment

Sand Blasting, Polishing, Elctro Polishing

Lead Time

45-60days

Transport Package

Carton and Pallet

Specification

Trademark

customized

Origin

Shandong Province, China

Production Capacity

2000sets Per Month

Key features

High Precision Casting: Casting tolerance CT5-CT6, roughness Ra3.2-6.4, machining tolerance +/-0.02mm.

Wide Material Selection: Stainless steel (304/316), carbon steel, alloy steel, duplex steel available.

Comprehensive Surface Treatment: Polishing, sand blasting, electro-polishing, zinc plating, powder coating, etc.

Strict Quality Control: ISO9001 certified, 100% inspection, X-Ray, CMM, and cleanliness checks.

Custom OEM/ODM Service: Supports customization from samples with professional R&D and engineering support.

Large Scale Production: Capacity over 100 tons/month, part weight 2g to 30kgs, max dimension 600mm.

Expert Technical Team: Staff with 15+ years experience in mold design, casting, machining, and surface treatment.

Flexible Delivery Terms: Accepts FOB, CIF, DAP, DDP, EXW; Lead time 30-60 days; MOQ 1 piece.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Dongying Highco Metal Manufacturing Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.84h

AI-Powered supplier vetting

SummaryDongying Highco Metal Manufacturing Co., Ltd. is identified as a limited, combined-type supplier and is described elsewhere as a trading company engaged in precision mechanical equipment processing and sales, precision castings, ship accessories, and automotive accessories. It offers steel castings and has OEM experience with well-known brands, export capability, in-stock service, and a stated 90% export-sales share. Its facilities include CNC lathes, drilling, polishing, pressing, and related equipment, with sample-based customization. Quality and complaint-handling procedures are documented and followed, although the approved-supplier list lacks signatures or dates. Key limitations are the absence of an available SDK, valid manufacturing-capacity contracts with associated subcontractors, overseas warehouses, overseas agents or branches, overseas showrooms, and offline trade-show participation. Financial information is limited to year labels without assessable financial values. An audit by TÜV Rheinland...

Supplier typeThe supplier is listed as a limited company with a combined organizational type, while its company nature is identified as a trading company. Its stated business scope covers processing and sales of precision mechanical equipment and accessories, precision castings, ship accessories, and automotive accessories; the primary offered product is steel casting.

CertificationsThe supplier is explicitly stated to hold a valid import and export license. A TÜV Rheinland audit is also recorded with coverage from April 24, 2025 to April 23, 2026, but the audit type is given only as “1” and the evaluation result as “0,” without an interpretable certification or pass description.

After-Sales capabilityThe supplier lists overseas service offerings including debugging, maintenance, repair, training, and equipment installation, and has documented, followed procedures for corrective actions and customer complaints. However, it has no overseas agents or branches, serves zero stated countries, and has no overseas warehouse or showroom, limiting demonstrated international service infrastructure.

Production capacityThe supplier reports in-stock capacity, a facility containing CNC lathes, lathes, drilling, polishing, pressing, and digital-caliper equipment, and 90% of sales from exports with self-operated import/export rights. It also reports written and followed inspection, supplier-capability assessment, corrective-action, and complaint procedures, although there is no valid manufacturing-capacity contract with the factory and associated subcontractors and the supplier reports zero cooperative suppliers.

Customization capabilityThe supplier explicitly provides customization from samples and has OEM capability for well-known brands, directly supporting its ability to produce customized products based on customer samples or brand requirements. No broader design-development or SDK capability is established.

Product Q&A

Q:Who are you?

We are a professional supplier for OEM metal parts based in Shandong, China, established in 2019. We specialize in investment casting, precision machining, and surface treatment, selling to Western Europe, Eastern Europe, the Middle East, and North America.

Q:How do you guarantee quality?

We always provide a pre-production sample before mass production. We conduct 100% checking during each production sector and perform a 100% final inspection before shipment.

Q:What products can you buy from us?

We offer customized investment casted parts with or without precision machining and surface treatment. Products include handrail fittings, glass fencing fittings, and marine deck fittings.

Q:Why should you buy from us not from other suppliers?

Our technical staff have over 15 years of experience in mold design, investment casting, precision machining, and surface treatments. We focus on improving production efficiency to lower costs for customers and provide long-term service and technical support.

Q:What services can we provide?

We accept delivery terms like FOB, CIF, DAP, DDP, and EXW. Lead time is 30-60 days. We accept payments in USD, EURO, and YUAN via T/T, LC, D/P, PayPal, Western Union, and small-amount payments.