Powered by Made-in-China.com
Standard Threaded Carbon Steel Hydraulic Test Coupling Assembly
US$9.40
100 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableStandard
DINMaterial
Stainless SteelConnection
MaleSurface Treatment
Galvanized SheetHead Type
HexagonSealing
Nitril Bunan(NBR)Working Temperature
-30℃~+125℃Sealing Types
O-Ring Sealing, Mental Sealing Edge, etcThread Size
G1/4" or OthersTransport Package
BoxSpecification
Galvanised carbon steelTrademark
rsdOrigin
QingdaoHS Code
902690000Production Capacity
20000mts/DayKey features
Multiple Sealing Types: Available in O-Ring, Metal Sealing Edge, and Flat Gasket sealing configurations for diverse applications.
Wide Thread Compatibility: Supports B.S.P.T, ISO7/1, NPTF, and UNF thread standards for versatile connection needs.
Material Flexibility: Standard galvanized carbon steel with stainless steel AISI304/326 available upon request.
100% Quality Inspection: Rigorous 100% visual and functional testing conducted before delivery to ensure product reliability.
OEM/ODM Support: Full customization from samples, designs, or minor adjustments with dedicated R&D engineers.
Certified Manufacturing: ISO9001, ISO45001, and ISO14001 certified factory ensuring high-quality production standards.
Free Sample Provision: Free samples available for inventory products with only shipping fees charged to customers.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.89h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad manufacturing and trading activities, R&D and customization capability, more than ten production lines in one dataset, and stated production of 3,000,000 meters of centralized lubrication hose. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports documented procedures for supplier assessment, corrective actions, and complaint handling. However, overseas service infrastructure is limited: it reports no overseas warehouse, showroom, agent, or branch. Financial credibility cannot be positively assessed because multiple financial fields are reported as zero and the datasets contain inconsistent operating-scale information. Customer-case evidence is also insufficient; participation in Hannover Messe is documented, but no specific customer or project references are provided.
Supplier typeThe supplier’s stated scope covers bio-based, synthetic, plastic, and metal-related products, as well as hydraulic components and import/export activities. Manufacturing indicators include more than ten production lines in one record, while another record states four production lines, so the supplier is best characterized as a manufacturer and trading/export supplier with inconsistent capacity data.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. It also reports conducting regular fire drills during the past year, providing explicit evidence of formal quality, occupational safety, and environmental management certifications.
After-Sales capabilityDocumented procedures and records are reported for service assessment, corrective and preventive actions, and customer complaints. However, the supplier reports no overseas warehouse, showroom, agent, or branch; therefore, formal process capability is evident, but overseas service coverage is limited.
Financial creditFinancial evidence is contradictory and insufficient for a positive assessment: several 2025 revenue, cost, profit, gross-margin, and current-ratio fields are reported as zero, while another record reports annual revenue and export revenue values and a separate production-output range. The stated current ratio of zero and inconsistent financial records raise material credibility concerns.
R&D capabilityThe supplier reports two years of total R&D engineer experience, new products during the past year, ODM services, and an available SDK. These entries demonstrate stated R&D and development-service capability, although the limited reported engineering experience constrains the strength of the assessment.
Production capacityThe supplier reports more than ten production lines and annual centralized lubrication hose output of 3,000,000 meters, but another record states four production lines. It also reports 41–50 quality-control staff and explicitly states that ongoing quantity reconciliation is not performed for every batch or mass production run, indicating meaningful capacity with a documented production-control weakness.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage, supported by its stated ODM service availability.
Product Q&A
Q:What thread standards are supported?
A:
We support B.S.P.T Taper ISO7/1, 1/8'-27NPTF, 1/4'-18NPTF, 3/8'-18NPTF, and various UNF thread sizes.
Q:Can you customize products based on samples?
A:
Yes, we can produce according to your samples or technical drawings and can manufacture necessary molds and fixtures.
Q:What is the delivery time for orders?
A:
Generally 30 to 60 days after receiving the advance payment, depending on the project and order quantity.
Q:What are the payment terms?
A:
T/T 50% as deposit, 50% before delivery. Photos of the product and package will be shown before balance payment.
Q:How is product quality ensured?
A:
Samples are made for confirmation before mass production. We conduct 100% testing before delivery and have dedicated QA/QC inspectors.
Send Inquiry
*To:
Qingdao Restart New Material Technology Co., Ltd
Qingdao Restart New Material Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
You may also like
Hydraulic Flexible Hose Carbon Steel Pipe Good Quality Tube Fittings Assembly
US$1.50-1.80
200 Pieces(MOQ)
Premium Yellow Bsp Male Hydraulic Hose Fitting Assembly
US$1.30
1 Piece(MOQ)
Standard Flexible Lockings Coupling Keyless Assembly TLK130, RCK70, KLDA, BK70
US$5.99-100.99
50 Pieces(MOQ)
Standard Flexible Coupling Keyless Locking Assembly TLK130, RCK70, KLDA, BK70
US$5.99-100.99
50 Pieces(MOQ)
ISO Certificate Good Quality Low Price Hydraulic Hose Assembly
US$0.48-0.50
1,000 Pieces(MOQ)
ISO Certificate Hydraulic Hose Assembly Manufacturer
US$0.48-0.50
1,000 Pieces(MOQ)
High Temperature Hydraulic Flexible Tube Rubber Hose Fitting Assembly
US$1.60-2.00
100 Pieces(MOQ)
SAE Ferrule Crimp Hose Assembly for Hydraulic Fittings
US$0.01-30.00
10 Pieces(MOQ)
Quick Coupling Type Customized Hose Assembly for Hydraulic Quick Connection
US$0.10-0.20
200 Pieces(MOQ)
Hydraulic Customized Hard Tube Assembly of Carbon Steel and White Zinc Plated
US$0.50
300 Pieces(MOQ)
Custom Hydraulic Hose Assemblies (hose size 1/4" 3/8" 1/2")
US$0.99-9.99
100 Pieces(MOQ)
Standard Z2 Taper Locking Assembly for Water Pump
US$22.99
1 Piece(MOQ)
Flexible Power Shaft Lock Coupling Keyless Locking Device Locking Assembly Rfn7012, Tlk200, Rck40
US$5.99-100.99
50 Pieces(MOQ)
High Pressure Hydraulic Hose Assembly
US$0.13
300 Pieces(MOQ)
Sanitary Stainless Steel 304 Hygienic Flexible Hose Assemblies
US$2.00
1 Piece(MOQ)
Hard Tube Assembly of Carbon Steel Customized for Hydraulics
US$0.50
300 Pieces(MOQ)
1/2" An10 13mm 304 Stainless Steel Braided PTFE Smooth Bore Fuel Oil Cooler Hose Lines Assemblies 1m
US$0.50-3.50
100 Pieces(MOQ)
Standard Z3 Taper Locking Assembly for Air Compressor
US$22.99
1 Piece(MOQ)
High Quality Flexible Coupling Keyless Locking Assembly Rck15, Klbb, Bk15
US$5.99-100.99
50 Pieces(MOQ)



















