What is the main material used for the sleeper screw?

The screw spike is usually made of NO.3 steel.

What is the pull-out resistance compared to common rail spikes?

The pull-out resistance is 0.5 to 1.0 times larger than that of common rail spikes.

What is the quality control process for raw materials?

We check and test raw materials, requiring suppliers to provide batch numbers, chemical composition, and mechanical properties before production.

Sleeper Screw

Name: Sleeper Screw
Brand: Shanghai Bosheng Industries Co., Ltd.
SKU: 1949620562

Shanghai, ChinaShanghai Bosheng Industries Co., Ltd.

Sleeper Screw

US$1.00-2.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Full Warranty

Warranty

5years

Model NO.

Customized

Certification

ISO9001

Quality

High

Surface

Plain

Safety Performance

Stable

Environment Standard

Environmental Friendly

Transport Package

Bundles by Steel Wire Rod

Specification

1.1*1.1*0.8 pallet

Trademark

Origin

China

HS Code

73021000

Production Capacity

500000ton/Year

Key features

Customizable Options: We offer customized coach screws, stud screws, and railway sleeper screws to meet various client needs.

ISO 9001 Certified: Manufacturing processes strictly follow ISO 9001/2008 quality management system standards.

5-Year Warranty: Comprehensive 5-year warranty coverage for all sleeper screws.

High Pull-Out Resistance: Pull-out resistance is 0.5 to 1.0 times larger than common rail spikes.

High Quality Materials: Made from NO.3 steel with strict raw material testing and chemical composition checks.

Stable Safety Performance: Ensures stable safety performance and environmental friendliness in railway applications.

Rigorous Quality Control: Strict inspection from raw materials to finished products, including physical and chemical testing.

Fast Delivery Options: Off-season lead time is within 15 workdays; peak season lead time is one month.

Company profile

Years of Export ExperienceCooperated with Fortune 500Management CertificationR&D Capabilities

Shanghai Bosheng Industries Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-12-01Nearest Port: Shanghai, Tianjin, QingdaoAverage Response Time: ≤18hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier with 3D software design, full customization, ODM, and OEM capabilities. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reports cooperation with Fortune 500 companies. Production-related evidence includes 6–10 quality-control staff, export activity for 10 years, broad international markets, inventory capacity, overseas warehouses, and overseas agents or branches. However, finished products are checked by packing staff, corrective-action and complaint procedures lack written records, and there has been no new product in the past year. Financial credibility cannot be determined from the provided information because the only related entry identifies a year rather than financial performance or supporting records.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope includes household goods sales, graphic design, landscaping, business consulting, e-commerce, and import/export activities, while it also has 10 years of export experience and self-operated import/export rights.

CertificationsThe supplier reports holding ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates. These are explicit certification claims and support a positive assessment for this field.

After-Sales capabilityThe supplier has overseas warehouses, overseas showrooms, and overseas agents or branches, and provides overseas training and maintenance services across the Americas, Asia, and Africa. However, its complaint-handling procedure has no written records, so the operational robustness of after-sales management is only partially evidenced.

R&D capabilityThe supplier has R&D capability, provides 3D software design, ODM services, and employs five R&D engineers. Nevertheless, it reports no new products in the past year and no available SDK, so the evidence supports technical development capability but not strong recent product innovation.

Production capacityThe supplier reports annual output above the stated threshold, 6–10 quality-control staff, inventory capacity, international export coverage, and 2–3 month lead times in both peak and off-peak information from one slice. It also has written supplier-assessment procedures with records, but finished products are checked by packing staff and outsourcing procedures and contracts are unknown.

Customization capabilityThe supplier explicitly offers customization from designs and full customization, as well as ODM and OEM services for popular brands. These statements directly demonstrate broad customization and design-manufacturing capability.

Client casesThe supplier explicitly reports cooperation with Fortune 500 companies and a repeat-buyer preference rate of 50%–80%. These claims provide direct evidence of notable customer experience, although no customer names or project details are supplied.