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High Pressure Carbon Steel Standard Test Couplings for Fitting
US$9.40-9.80
100 Meters
Sample price:US$200.00/meter.Request sample
Product profile
Customization
AvailableStandard
DINMaterial
Stainless SteelModel NO.
1/4Connection
MaleSurface Treatment
Galvanized SheetHead Type
HexagonThread Size
G1/4" or OthersBody Type
Straight, Elbow, 45 Degree, 90 DegreeCleaning Process
Standing Cleaning and PackageSealing Types
O-Ring Sealing, Mental Sealing Edge, etcpH(Bar)
630barPrice
Affordable PriceQuality
Excellent QualitySample
Provide SamplesShipment
Sea and Land TransportationMaterial Type
Galvanised Carbon SteelFluids
Hydraulic Oils, Mineral Oils, Other FluidsWorking Temperature
-30℃~+125℃Brand
RsdSealing
Nitril Bunan(NBR)Application
Pressure Control, Lubrification, AirTransport Package
BoxSpecification
Galvanised carbon steelTrademark
rsdOrigin
Qingdao, ChinaHS Code
9026900000Production Capacity
20000mts/DayKey features
Customizable Thread Sizes: Available in G1/4" or other custom thread sizes to meet specific requirements.
Multiple Body Types: Options include Straight, Elbow, 45 Degree, and 90 Degree configurations.
Custom Sealing Types: Supports O-Ring, Mental Sealing Edge, and Flat gasket sealing options.
High Pressure Rating: Rated for 630 bar working pressure for hydraulic and mineral oil applications.
Customization from Samples: Capable of producing based on customer samples or technical drawings with mold building.
ISO Certified Quality: Manufactured under ISO9001, ISO40001, and ISO14001 certified management systems.
100% Pre-Delivery Testing: All goods undergo 100% visual and functional inspection before shipment.
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: ≤3.23h
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:Are you a factory or trading company?
A:
We are a factory specialized in hose. Welcome to visit our factory.
Q:What are your terms of packing?
A:
Plastic woven belt, Carton Packaging, Wooden Cases or Your Request
Q:What are your terms of payment?
A:
T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q:What are your terms of delivery?
A:
EXW, FOB, CFR, CIF, DDU.
Q:How about your delivery time?
A:
Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
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
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