Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Do you test all your goods before delivery?

Yes, we have 100% test before delivery

What is the Delivery time?

For samples,we usually have them in stock, so the delivery time will be quite short. For normal order, the delivery time should be in 2 weeks.

How do you make our business long-term and good relationship?

1.We keep good quality and competitive price to ensure our customers benefit ; 2.We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Carbon Steel High Pressure Standard Threaded Test Couplings for Fitting

Name: Carbon Steel High Pressure Standard Threaded Test Couplings for Fitting
Brand: Qingdao Restart New Material Technology Co., Ltd
SKU: 2024286032

Shandong, ChinaQingdao Restart New Material Technology Co., Ltd

US$9.40-9.80

100 Pieces

Sample price:US$200.00/meter.Request sample

Product profile

Customization

Available

Standard

DIN

Material

Stainless Steel

Model NO.

1/4

Connection

Male

Surface Treatment

Galvanized Sheet

Head Type

Hexagon

Application

Pressure Control, Lubrification, Air

Sealing

Nitril Bunan(NBR)

Brand

Rsd

Working Temperature

-30℃~+125℃

Fluids

Hydraulic Oils, Mineral Oils, Other Fluids

Material Type

Galvanised Carbon Steel

Shipment

Sea and Land Transportation

Sample

Provide Samples

Quality

Excellent Quality

Price

Affordable Price

pH(Bar)

630bar

Sealing Types

O-Ring Sealing, Mental Sealing Edge, etc

Cleaning Process

Standing Cleaning and Package

Body Type

Straight, Elbow, 45 Degree, 90 Degree

Thread Size

G1/4" or Others

Transport Package

Box

Specification

Galvanised carbon steel

Trademark

rsd

Origin

Qingdao, China

HS Code

9026900000

Production Capacity

20000mts/Day

Key features

100% Pre-Delivery Testing: All goods undergo 100% inspection including visual and function checks before delivery.

Customization from Samples: We can produce according to your samples or technical drawings and build molds.

ISO System Certified: Certified with ISO9001, ISO45001, and ISO14001 for strict quality and process control.

Multiple Thread Standards: Supports B.S.P.T Taper ISO7/1 and UNF thread types for various fitting needs.

Sample Availability: Ready parts available for samples upon payment of sample and courier costs.

Competitive Pricing: We maintain competitive prices to ensure customers benefit from our products.

Company profile

Qingdao Restart New Material Technology Co., Ltd

Shandong, China

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: ≤3.02h

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 factory or trading company?

We are factory, specialized in hose. Welcome to visit our factory.

Q:What is your terms of packing?

Plastic woven belt, Carton Packaging, Wooden Cases or Your Request

Q:What is your terms of payment?

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 is your terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:How about your delivery time?

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.