What if the product has quality issues?

We offer a 12-18 month? warranty. If issues arise, please send photos/videos. Upon confirmation, we arrange repair, replacement, or refund.

What is the return process?

If due to our error (e.g., wrong item, quality issue), we cover all costs. If for customer reasons, return shipping is negotiable.

Large Diameter Double Flange Expansion Joint Exporter for Pipeline Connection System

Name: Large Diameter Double Flange Expansion Joint Exporter for Pipeline Connection System
Brand: Tianjin Jinmao Valve Co., Ltd.
SKU: 2137567472

Tianjin, ChinaTianjin Jinmao Valve Co., Ltd.

US$13.00-3,000.00

15 Pieces

Product specifications

Specification

Product profile

Customization

Available

Length

Customizable

Thickness

Customizable

Width

Customizable

Applicable Medium

Water

Operating Temperature

Low Temperature

Type

Straight-Through

Material

Stainless Steel

Cycle Life

≥ 10,000 Cycles

Surface Treatment

Epoxy Coating, ≥200μm

Suitable Media

Water, Steam, Oil, Gas

Industry Application

Petrochemical, Power, Water Treatment

Transport Package

Wooden Box

Specification

Customizable

Trademark

JINMAO

Origin

Tianjin

Production Capacity

5000

Key features

Robust Durability: Precision casting ensures structural integrity and long service life.

Excellent Sealing: Multi-layer sealing designs provide superior leak-proof performance.

Flexible Customization: Supports OEM/ODM services for tailored materials, dimensions, and logos.

Wide Material Options: Available in carbon steel, 304/316 stainless steel, and duplex steel.

Comprehensive Warranty: 12-18 months warranty covering repairs, replacements, or refunds.

Online Support: Professional after-sales team provides consultation and technical assistance.

Multiple Flange Standards: Compatible with ANSI, BS, JIS, DIN, and EN standards.

Bulk Purchase Discounts: Competitive pricing available for large quantity orders.

Company profile

Importers and ExportersIn-stock CapacityFast DeliveryQuality Assurance

Tianjin Jinmao Valve Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading CompanyExport Year: 2025-09-28Nearest Port: tianjinAverage Response Time: ≤0.02hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryTianjin Jinmao Valve Co., Ltd. is identified as a trading company and limited company engaged in valve research, sales, and manufacturing, with butterfly valves as the primary product. The supplier reports GMP certification, three production lines, inventory capability, and quality assurance with raw-material traceability. However, after-sales and supplier-service controls lack written procedures and records; overseas warehouse, showroom, agent, and branch services are unavailable. Innovation and customization evidence is weak: no new products were reported in the past year, and ODM, branded OEM, and SDK capabilities are unavailable. Financial information is present for several periods, but no actual financial performance values are provided. The record contains no customer cases, and company-size information is inconsistent, including one employee in one slice versus other production and output claims; this should be verified before reliance.

Supplier typeThe supplier is identified as a trading company and limited company, while its stated business includes valve research, sales, and manufacturing. It is not part of a larger company group, and its product scope centers on butterfly valves and general valves.

CertificationsThe supplier reports GMP certification, and an SGS audit record covers the primary butterfly-valve product from 2026-05-20 to 2027-05-19. The provided data does not explain the certification scope or audit result details beyond the recorded result value.

After-Sales capabilityCustomer-complaint handling has no written procedures or records, and supplier-service assessment, approved-supplier listing, and corrective/preventive-action mechanisms are also undocumented. Inventory capability exists, but there are no overseas warehouses, showrooms, agents, or branches.

R&D capabilityThe supplier reports fewer than five years of aggregate R&D-engineer experience and no new product in the past year. It also reports no SDK capability, no ODM service, and no branded OEM service, indicating limited demonstrated innovation capability.

Production capacityThe supplier states that it manufactures ordinary valves and plugs and operates three production lines, with inventory capability also reported. However, the separate record of one total employee conflicts with these scale indicators, so actual production capacity should be validated.

Customization capabilityThe supplier’s business includes valve research and development and manufacturing of ordinary valves, but it explicitly does not provide ODM services or branded OEM services. No direct evidence of customer-specific customization capability is provided.

Product Q&A

Q:How do I choose the right type of valve?

Selection depends on medium, pressure, temperature, and flow requirements. Gate valves for low flow resistance, globe valves for reliable sealing, ball valves for quick operation, butterfly valves for large flow regulation. We offer free selection support.

Q:What materials are the valves available in?

We offer carbon steel (WCB), 304/316 stainless steel, duplex steel, etc. Choice depends on medium corrosiveness, temperature, and pressure.

Q:Do you support customization (OEM/ODM)?

Yes! We support customizing materials, dimensions, pressure ratings, connection types (flange, threaded, welded), and logos.

Q:What are your payment terms?

Common method: T/T (Bank Transfer). To build trust, we also accept L/C at sight? for small initial orders from new customers.

Q:Do you offer discounts for bulk purchases?

Yes! We offer discounts for bulk purchases. Please provide specific quantities and requirements for a competitive quote.