What is the weight range for the valve bonnet?

The weight range is from 3Kg to 50Kg.

Do you provide technical support for new projects?

Yes, we evaluate technical requirements and establish files for each customer including technical documents and communication records.

What are the payment terms?

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

OEM Shell Mould Sand Cast Iron Casting Parts Valve Bonnet Fabrication Service

Name: OEM Shell Mould Sand Cast Iron Casting Parts Valve Bonnet Fabrication Service
Brand: SYI Industrial Co., Ltd.
SKU: 2087737655

Shanxi, ChinaSYI Industrial Co., Ltd.

US$9.00

200-499 Pieces

US$8.50

500-999 Pieces

US$7.80

1,000+ Pieces

Product profile

Customization

Available

Type

Valve Bonnet

Machining

Casting

Model NO.

Valve Bonnet

Material

Cast Iron , Alloy Steel , Carbon St

Standard

En, ANSI, BS, DIN, JIS

Product

Valve Bonnet

Process

Shell Mould Casting

Transport Package

Plywood or Wooden Case, Pallet (as Per Customer's

Specification

Customized

Trademark

SYI or OEM

Origin

Shanxi, China

Production Capacity

300 Ton/Tons Per Month

Key features

Shell Mould Casting Process: Manufactured via automatic production line with shell moulding cores for high quality.

Wide Material Options: Accepts Cast Iron, Alloy Steel, and Carbon Steel including EN-GJS-450-10.

OEM and ODM Services: Accepts drawings, samples, or ideas with full technical analysis and QCP.

Strict Quality Control: Complete testing instruments from raw materials to finished products.

High Dimensional Accuracy: Casting tolerance meets ISO8062 and ISO2768 standards.

Comprehensive Inspection: Includes spectral analysis, tensile testing, hardness, and metallography.

Custom Weight Range: Capable of producing parts weighing between 3Kg and 50Kg.

Long-Term Cooperation: Established in 1988 with rich experience in OEM casting products.

Company profile

SYI Industrial Co., Ltd.

Shanxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-03-19 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤6.13h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummarySYI Group, also identified as SYI Industrial Co., Ltd., is a China-based limited company established in 1999 and operating from Shanxi. Its reported product scope includes castings, forgings, ductile iron pipes and fittings, manhole covers, valves, flanges, aluminum castings, and municipal products. The supplier reports ISO 9001:2015 certification and additional TUV, BSI Kitemark, SGS, BV, FM, and WRAS credentials or listings. Manufacturing evidence includes six production lines, automatic moulding equipment, CNC machining, laboratory facilities, in-house tooling, and 21–30 quality-control staff. It exports to multiple global regions and states that exports represent 90% of sales. Evidence supports production capability and certification strength, while after-sales service, financial credibility, innovation outcomes, customization performance, and customer cases cannot be conclusively assessed from the provided information.

Supplier typeThe supplier is described as a combined business entity and limited company, operating in industrial equipment, components, tools, hardware, metallurgy, machinery, construction, and related sectors. Its stated product range is centered on castings, ductile iron products, manhole and municipal products, valves, flanges, and aluminum parts.

CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it is TUV, BSI Kitemarked, SGS, BV, FM certified, and WRAS listed. These statements provide direct evidence of multiple quality, product, or compliance credentials, although the specific scope and validity of each additional credential are not detailed.

Production capacityProduction capability is supported by a reported 67,275.83 m² manufacturing plant, six production lines, automatic moulding equipment, CNC machining centers, laboratory facilities, in-house tooling, and 21–30 quality-control staff. The supplier also reports one-month fulfillment timing in both peak and off-peak seasons and serves multiple export regions.

Customization capabilityThe supplier lists OEM industrial castings and maintains in-house pattern and tooling shops, which directly supports the ability to develop or manufacture customer-specific cast components. Nevertheless, no examples, minimum requirements, engineering workflow, or documented customization projects are provided.