What are the terms of payment?

For orders <=1000USD, 100% in advance. For orders >=1000USD, 30% T/T in advance, balance before shipment.

Hot Sales Stainless Steel Bellows for Vacuum System

Name: Hot Sales Stainless Steel Bellows for Vacuum System
Brand: Shanghai Yunmu Information Technology Co., Ltd.
SKU: 2064127322

Shanghai, ChinaShanghai Yunmu Information Technology Co., Ltd.

US$45.00

10-49 Pieces

US$40.00

50-499 Pieces

US$28.00

500+ Pieces

Sample price:US$45.00/piece.Request sample

Product profile

Customization

Available

Standard

DIN

Type

Welding Flange

Material

Stainless Steel

Structure

Flanges

Connection

Flanged

Manufacturing Way

Casting

Application

Vacuum System

Customized Support

OEM, ODM

Transport Package

Paper Carton/Wooden Case

Origin

China

Key features

Factory Direct Supply: Direct manufacturer with 5,000 sqm production base and advanced imported equipment.

Free Sample Offer: Free samples available, customer only pays freight cost.

Custom Logo & Design: Supports customized logo and design on production.

Fast Delivery: 5-10 days for in-stock goods; 15-20 days for non-stock items based on quantity.

Vacuum System Expertise: Specializes in vacuum flanges, valves, bellows, and chamber components.

Quality Assurance: 100% inspection for finished products including visual and function checks.

Flexible Payment Terms: 100% advance for orders <=1000USD; 30% T/T advance for orders >=1000USD.

OEM/ODM Support: Provides OEM and ODM services for vacuum application systems.

Company profile

Flexible Customization100% Finished Products InspectionStandardized quality controlR&D Capabilities

Shanghai Yunmu Information Technology Co., Ltd.

Shanghai, 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: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.78h

AI-Powered supplier vetting

SummaryYunmu Vacuum demonstrates established manufacturing and customization capabilities, including CNC equipment, laser marking, ultrasonic cleaning, 3D software design, and multiple customization modes. Finished-product inspection instructions are available and uniformly followed. The supplier operates two production lines, has 6–10 quality control staff and 6–10 years of total R&D engineer experience, exports to a broad range of markets, and reports lead times within 15 workdays in both peak and off-peak periods. However, the evidence also shows important control and service gaps: no written procedures or records for supplier-service assessment, corrective actions, or complaint handling; no valid manufacturing contract with affiliated subcontractors; no inventory, overseas warehouse, or overseas showroom capability; and no outsourcing SOP or ongoing batch quantity reconciliation. No new products were reported in the past year. Certification status and customer cases are not sufficiently documented.

Supplier typeThe supplier presents itself as a vacuum-technology manufacturer with CNC, CNC turning, helium leak detection, laser marking, and ultrasonic cleaning equipment. It operates two production lines, serves broad export markets, and describes its expertise as providing tailored vacuum solutions, supporting classification as a manufacturing-oriented supplier.

After-Sales capabilityAfter-sales and service-management evidence is weak: there are no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions. The supplier also reports no overseas service coverage, overseas warehouse, or overseas showroom, although it lists several quotation and payment terms and provides some supplier names.

Production capacityProduction resources include two production lines, CNC-related equipment, helium leak detection, laser marking, ultrasonic cleaning, and finished-product inspection instructions that are uniformly followed. Lead times are stated as within 15 workdays in both peak and off-peak seasons, but capacity controls have deficiencies: no valid contract with affiliated subcontractors, no inventory capability, no ongoing batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly provides 3D software design services and supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These repeated statements provide clear evidence of broad customization capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a factory with a 5,000 square meter production base in Jiangxi, equipped with advanced imported equipment and professional technicians.

Q:What products do you sell?

We specialize in vacuum application system components and laboratory chambers, including flanges, pipe fittings, valves, viewports, bellows, feedthroughs, and custom parts.

Q:Do you provide free samples?

Yes, we offer free samples, but the customer is responsible for paying the freight cost.

Q:Can I use my own logo or design?

Yes, customized logo and design on production are available.

Q:What is the delivery time?

Generally 5-10 days if goods are in stock, or 15-20 days if not in stock, depending on quantity.