What are the accepted payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for delivery?

The average lead time is one month, regardless of peak or off-peak seasons.

What industries is this fastener suitable for?

It is widely used in petrochemical, nuclear power, chemical, heavy industry, and subsea oil and gas sectors.

Yuyao Premium 660 Fasteners with Consistent Quality and Competitive Pricing for Export

Name: Yuyao Premium 660 Fasteners with Consistent Quality and Competitive Pricing for Export
Brand: Xiamen Qishine Industry Co., Ltd.
SKU: 2252543425

Fujian, ChinaXiamen Qishine Industry Co., Ltd.

US$20.00-100.00

20 kg

Product specifications

Size

Sample price:US$30.00/kg.Request sample

Product profile

Customization

Available

Material

ASTM A453 Grade 660 Class a

Type

Stud Head

Model NO.

QSF-25-018

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST, ISO 261

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Color

Screw Thread

Fully

Heat No

9d70097

Tensile Strength (MPa)

895

Yield Strength (MPa)

585

Elongation %

Reduction %

Hardness Hb

248-341

Thread Class

Solid Solution

970

Prescription

720

Transport Package

Plywood Cases/Wooden Cases

Specification

1-7/8 inch * 420 mm

Trademark

Qishine, QS

Origin

China

Key features

Premium Material Grade: Manufactured from ASTM A453 Grade 660 Class A with robust chromium-nickel-iron alloy.

Corrosion Resistance: Features exceptional resistance to oxidation and carburization in harsh environments.

Certified Quality: Complies with ISO, DIN, API, CE, TUV, and ISO9001:2015 standards.

OEM Customization: Customization available from customer samples.

Versatile Applications: Ideal for petrochemical, nuclear, marine, and heavy industry sectors.

Competitive Pricing: Offers consistent quality at competitive prices for export markets.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Importers and ExportersYears of Export ExperienceLow MOQCustomization from Samples

Xiamen Qishine Industry Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 11 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤3.15h

AI-Powered supplier vetting

SummaryThe supplier is a Xiamen-based limited trading company offering fasteners, gaskets, and flanges. It reports annual fastener productivity of 7,500 tons, exports 90% of sales, serves South America, Europe, and North America, and states one-month lead times in both peak and off-peak seasons. Customization from samples is available. However, the supplier reports no available SDK, no new products launched in the past year, no inventory, no overseas agents or branches, no overseas warehouse or showroom, and no offline trade-show participation. Quality and service controls show material gaps: there are no written corrective/preventive-action or complaint-handling procedures, and quality-control test equipment is reported as zero. An ISO 9001:2015 certificate is stated, but financial strength, customer cases, and several traceability and outsourcing controls cannot be adequately assessed from the provided information.

CertificationsThe supplier states that it holds an ISO 9001:2015 certificate. The provided information confirms the stated certification but does not provide certificate validity, scope, issuer, or audit details.

After-Sales capabilityAfter-sales and service infrastructure appears limited: there are no written corrective/preventive-action or customer-complaint procedures or records, no inventory, no overseas warehouse, no overseas showroom, no overseas agents or branches, and no overseas service countries reported. Service assessment has records but no written procedure, and some qualified supplier names were provided.

R&D capabilityThe supplier reports no available SDK and no new products launched during the past year. These explicit statements indicate limited demonstrated innovation capability for the evaluated areas.

Production capacityThe supplier reports fastener productivity of 7,500 tons annually and one-month order lead times in both peak and off-peak seasons, with export markets in South America, Europe, and North America. However, it also reports no in-stock capability, while outsourcing procedures and manufacturing contracts are unknown; the stated output supports capacity, but the overall manufacturing model is not fully validated.

Customization capabilityThe supplier explicitly offers customization from samples. This supports a demonstrated sample-based customization service, although no details are provided on engineering resources, tooling, or development lead times.