What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Can you provide OEM or ODM services?

Yes, we support OEM/ODM services with processes including Open Die, Ring Rolling, and Hot Forging based on customer drawings.

Where is your company located?

We are based in Zhangjiagang City, Jiangsu, China, near Shanghai, with convenient water and land transportation.

Good Performance High Strength Quality Assurance Marine Diesel Engine Piston Crown Forging

Name: Good Performance High Strength Quality Assurance Marine Diesel Engine Piston Crown Forging
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2136421685

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.00-15.00

100 Pieces

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

Customized

Molding Technics

Open Die

Application

Winder Power, Ship Building, Industry Equipments

Material

Steel

Heat Treatment

Quenching

Surface Treatment

Rough Machining

Forging Tolerance

+/-0.5mm

Standard

ASME

Certification

ISO 9001:2000, ISO 9001:2008

Process

Open Die, Ring Rolling, Hot Forging

Serive

OEM/ODM

Quality

High Quality

Transport Package

Sea Wooden Packing

Specification

0.2kg/PCS-150kg/PCS

Trademark

Origin

China

Key features

MAN Diesel Certificate: Materials include S17MoS, S30MnH, S45SU etc. with MAN Diesel & Turbo CERTIFICATE.

Large Capacity Equipment: 3150 Tons Free Forging Hydraulic Press and 80 Tons Crane for heavy parts.

Strict Quality Control: Pre-production samples, final inspection, UT/PT tests, and customer site inspection.

Wide Material Range: Carbon Steel, Alloy Steel, Tool Steel, Stainless Steel, and Copper forgings available.

Custom OEM/ODM Service: Supports Open Die, Ring Rolling, Hot Forging processes based on customer drawings.

Marine & Wind Power Focus: Specialized in Marine Shafts, Wind Power Shafts, and Pressure Vessel Forgings.

Global Market Presence: Selling to Eastern Asia, Mid East, Europe, and Americas since 2010.

Certified Standards: Compliant with ISO 9001:2000/2008, ASME, DIN, ASTM, GB, and JIS standards.

Company profile

Zhangjiagang Chewit International Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤5.43h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryZhangjiagang Chewit is a China-based limited trading company established in 2010, with stated precision-tube and steel-forging manufacturing activities. The supplier reports ISO9001:2015 certification, more than 10 production lines, approximately 5,000 tons of annual seamless-steel-pipe productivity, broad export-market coverage, and one-month lead times in both peak and off-peak seasons. Its quality claims include 100% dimensional and surface checks, batch chemical and mechanical testing, and non-destructive testing upon request. Evidence is insufficient to assess after-sales service, financial credibility, and customization capability. Innovation evidence is limited to an associated forging operation reporting 11 authorized patents, while customer evidence consists of one listed buyer and one trade transaction.

Supplier typeThe supplier is identified as a China-based limited company and trade company, with stated manufacturing activities in precision steel tubes and forgings. Its product scope includes seamless, welded, carbon, stainless, hydraulic, cold-drawn, and precision tubes, indicating a specialized steel-product supplier with both trading and manufacturing positioning.

CertificationsThe supplier explicitly reports an ISO9001:2015 management-system certificate. It also describes inspection and industry-related qualifications associated with its forging operation, including API 20B, PED, and classification-society credentials, although the scope and holder of each qualification are not separately specified.

R&D capabilityThe supplier describes advanced production and inspection equipment, precision-tube manufacturing, and a forging operation with 11 authorized patents, including three invention patents. These statements provide explicit but limited evidence of process and product-development capability, mainly linked to the forging operation rather than clearly to the entire supplier entity.

Production capacityThe supplier reports more than 10 production lines, annual seamless-steel-pipe productivity of 5,000 tons, heat-treatment furnaces, inspection equipment, and manufacturing of precision tubes and forgings. The descriptions also cite a 10,000-square-meter tube operation and a substantially larger forging facility, although employee and facility figures are inconsistent across slices and should be verified.

Client casesThe supplier states that it serves wind power, oil and gas, transportation, shipbuilding, and gearbox sectors and has entered the global purchasing system of a major company since 2006. The trade data identifies one buyer and one transaction, so sector references are available but the breadth and depth of verifiable customer cases remain limited.

Product Q&A

Q:What materials are available for diesel engine forgings?

Materials include S17MoS, S30MnH, S45SU, S30S, S18CrNiMo, S20CrMoVS, S42Cr1S, S19R, Carbon Steel, Alloy Steel, Tool Steel, Stainless Steel, and Copper.

Q:What is the maximum weight and size for forgings?

Piece weight is no more than 20 tons. Ring outer diameter is no more than 3500mm, and Shaft Length is no more than 10 meters.

Q:How do you guarantee product quality?

We provide a pre-production sample before mass production, conduct final inspection before shipment, and perform UT/PT tests and mechanical properties tests.

Q:What certifications do your products have?

Products are certified with ISO 9001:2000, ISO 9001:2008, ASME, DIN, ASTM, GB, JIS, and MAN Diesel & Turbo CERTIFICATE where applicable.

Q:What are the accepted payment terms and currencies?

Accepted payment types are T/T and L/C. Accepted currencies are USD, EUR, HKD, and CNY. Terms include FOB, CFR, CIF, EXW, DDP, DDU.