What surface treatments are available?

We offer galvanizing, powder coating, oil painting, polishing, brushing, sandblasting, and hot-dip galvanizing.

What is the warranty period?

We provide a one-year warranty covering quality assurance in accordance with ISO9001 standards.

What payment terms do you accept?

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

Sleeve with CNC Machining

Name: Turned Connector Stainless Steel/ Brass/Spacer/Bushing/Sleeve with CNC Machining
Brand: Qingdao Zhengrong Precision Machinery Co., Ltd.
SKU: 2054772272

Shandong, ChinaQingdao Zhengrong Precision Machinery Co., Ltd.

US$1.00-10.00

1 Piece

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Service

Warranty

One Year

Model NO.

93129061-REV-01

Condition

New

Certification

CE, ISO9001

Standard

DIN, ASTM, GB

Customized

Material

Stainless Steel

Application

Metal Processing Machinery Parts

Process

Wire EDM/Milling/Grinding/Punching/Laser Welding

Machining

High Precision CNC Manufacturing, CNC Processing

Service

CNC Machining Service

Tolerance

+/-0.005 or Meet Customer Requirements

Quality Control

100% Inspection

Features

Precise, Small, Special

Optional Processing Methods

Stamping/Diecasting/Casting/Lathe/Heat Treatment

Application Aera

Medical/Electronic/Aerospace/Semiconductor/Auto

Classification

Shaft/Bearing/Housing/Fastener/Gear/Cap/Drive

Optional Surface Treatment

Blackening, Polishining, Anodizing, Sandblasting

Plastic Parts

POM,Peek,PMMA,Bakelite,Epoxy Resin,Polyurethane

HRC

Above 60

Knurling

Cooper, Steel, Metal,Aluminum Alloy

Wire Cutting

Wedm-Ls, Wedm-HS

CNC Machining Center

4 Axis

Transport Package

Carton

Specification

customized

Trademark

Origin

Shandong, China

HS Code

8708508600

Production Capacity

100 Pieces Per Month

Key features

Full Customization Options: Customization from samples, designs, full customization, minor customization, and flexible customization available.

High Precision Tolerance: Tolerance can be maintained at +/-0.01mm or meet special customer requirements.

Comprehensive Material Range: Supports Aluminum, Stainless Steel, Steel, Titanium, Brass, Copper, and various engineering plastics.

Extensive Surface Treatments: Offers galvanizing, powder coating, polishing, brushing, sandblasting, and hot-dip galvanizing.

Advanced Processing Capabilities: Includes Wire EDM, Milling, Grinding, Punching, Laser Welding, and 4-Axis CNC Machining.

100% Quality Inspection: In-house 100% inspection on critical dimensions and appearance before shipment.

One Year Warranty: Provides a one-year quality insurance period for all machined parts.

Fast Delivery Time: Standard delivery within 15-20 days, with off-peak season lead time under 15 workdays.

Company profile

Exhibition ExperienceFast DeliveryQuality AssuranceR&D Capabilities

Qingdao Zhengrong Precision Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.10h

AI-Powered supplier vetting

SummaryThe supplier manufactures mechanical parts, electronic parts, industrial automatic-control devices, and mechanical equipment, with CNC machining and aluminum-part production listed at 100,000 pieces annually per category. It supports sample-based, design-based, full, minor, and flexible customization, and reports new products within the past year and ODM services. The supplier has provided OEM services to well-known brands and exports to multiple regions, with 10 years of export experience and 51%–70% of sales from exports. However, after-sales procedures, complaint handling, and corrective/preventive-action records are not documented. Finished products are checked by packing staff, and there is no valid manufacturing-capacity contract with related subcontractors. Financial records are referenced for 2020–2022, but their adequacy cannot be assessed from the provided information. Certification holdings, specific customer cases, and formal sustainability documentation are not sufficiently evidenced.

Supplier typeThe supplier’s stated business scope covers manufacturing of mechanical parts, electronic parts, industrial automatic-control system devices, and mechanical equipment, together with import and export activities subject to applicable approvals. This identifies it as a manufacturing supplier with international trade capability.

After-Sales capabilityThe supplier has no written procedures or records for corrective and preventive actions or customer complaint handling. It has inventory capability and has attended a machinery-parts exhibition, but it reports no overseas warehouse, overseas showroom, overseas agent or branch, and no overseas service countries; finished products are checked by packing staff.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and provides several design and customization services. It does not have an available SDK, but the available evidence supports product-development and design capability for physical products.

Production capacityThe supplier lists annual output of 100,000 pieces for each of several CNC and precision-machining categories and reports in-stock capability. However, it has no valid contract with related subcontractors, so capacity coordination and subcontracting arrangements are not fully documented.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across its R&D and production information.

Product Q&A

Q:What materials can be processed?

We process Aluminum (6061-T6, 7075-T), Stainless Steel (304, 316L), Steel (4140, 45#), Titanium, Brass, Copper, Bronze, and various plastics like POM and Delrin.

Q:What is the tolerance accuracy?

Standard tolerance is +/-0.01mm, but we can meet special requirements or +/-0.005mm depending on customer needs.

Q:Do you accept sample orders?

Yes, sample orders are accepted. Customers can use PayPal or other online platforms to pay a small fee to shorten production time.

Q:What is the delivery time?

The standard delivery time is 15-20 days. During off-peak seasons, it can be completed within 15 workdays.

Q:What certifications do you have?

Our products and processes are certified under CE, ISO9001, ROHS, and SGS standards.