What are the main dimensions of the piston?

The main size is: Diameter 82.3mm, Pin Bore 25.4mm, Center 47.5mm, Length 81mm.

How is the product packaged for shipping?

We use safe packaging including pallets and cartons for ocean shipping, and cartons for air shipping or express delivery.

What is the hardness and tensile strength of the piston?

The hardness is HBC 100-110 degrees, and the tensile strength is 320-350 MPa.

High-Efficiency Copeland Discus Type Piston for HVAC Systems

Name: High-Efficiency Copeland Discus Type Piston for HVAC Systems
Brand: Ningbo Haishu Yinlian Machinery Co., Ltd.
SKU: 882315295

Zhejiang, ChinaNingbo Haishu Yinlian Machinery Co., Ltd.

US$4.00-4.50

10 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard Component

Model NO.

4DH-6DH

Material

Aluminum

Transport Package

Neutral

Specification

RoHS SGS

Trademark

chaochao

Origin

Ningbo of China

HS Code

84149019

Production Capacity

50000PCS/Year

Key features

OEM/ODM Customization: Full customization based on customer requirements, samples, and drawings.

Premium Material Quality: Aluminum material with T6 heat treatment for enhanced durability.

High Hardness & Strength: HBC hardness 100-110 and tensile strength 320-350 MPa.

Proven Performance: Long-term testing proves excellent performance and extended service life.

Global Standard Compliance: All products meet global standards with advanced manufacturing technology.

Safe Shipping Packaging: Pallet and carton packaging for ocean, air, or express shipping.

Manufacturer Direct Supply: 20 years experience with own brand and direct factory production.

Precise Specifications: Main size: 82.3mm diameter, 25.4mm pin bore, 47.5mm center, 81mm length.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedPatents Awarded

Ningbo Haishu Yinlian Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 22 years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤3.38h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing and export experience, with five production lines, 21–30 quality-control staff, customization from samples, ODM/OEM services, and 22 years of export activity. It reports sales across multiple domestic and overseas markets and holds an ISO9001-2000 certification claim. However, the available evidence identifies no SDK, no new products in the past year, no stated quality assurance, and no raw-material traceability. After-sales and corrective-action procedures exist but lack written records. Financial information is limited to year references without performance values, while sustainability compliance statuses are unknown. The supplier lacks inventory, overseas warehouse, overseas showroom, overseas agents or branches, and offline trade-show participation.

Supplier typeThe supplier is presented as a manufacturing-oriented exporter with five production lines, stated annual production output, customization from samples, and 22 years of export experience. Its products are reported as sold across domestic regions and several overseas markets, indicating an established direct manufacturing and export profile.

CertificationsThe supplier states that it passed ISO9001-2000 quality system certification. This is explicit evidence of a certification claim, although no certificate validity period or supporting document is provided.

R&D capabilityThe supplier reports two years of R&D engineer experience, offers ODM services, and provides OEM services for popular brands. However, it has no available SDK and reported no new products during the past year, showing service-oriented design capability but limited recent innovation evidence.

Production capacityFive production lines and 21–30 quality-control staff indicate an established production setup. Nevertheless, the supplier reports no inventory capacity and no valid manufacturing contract with related subcontractors, which limits evidence of supply continuity and formal outsourced-production control.

Customization capabilityThe supplier explicitly offers customization from samples and provides ODM and OEM services. It also accepts multiple quotation and payment methods and reports one-month average lead times in both peak and off-season periods, supporting practical customization and order execution capability.