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Black Oxide Surface Cross-Groove Disc Head Self-Tapping Screw
US$0.01-0.15
10,000 Pieces
Sample price:US$15.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Round HeadConnection
Common BoltHead Style
RoundStandard
DIN, ANSI, GB, JIS, BSW, GOSTGrade
8.8Application
Machinery, Chemical Industry, EnvironmentalFinish
Hot-WorkingCondition
NewCraftwork
Cold HeadingDelivery
According to The Order QuantityTransport Package
PE Bag + CartonsSpecification
OEMTrademark
GSOrigin
ChinaKey features
Customized Size Available: Factory direct manufacturing allows for custom sizes according to specific order requirements.
OEM and ODM Services: Full customization support including design, manufacturing, and branding for clients.
Multiple Material Options: Available in Carbon Steel, Zinc-nickel alloy, SUS304, SUS316, and Brass to suit various needs.
Comprehensive Certifications: Holds ISO9001:2015, IATF 16949, SGS, and ROHS certifications ensuring quality compliance.
Wide Standard Coverage: Meets international standards including ISO, DIN, ANSI, GB, JIS, BSW, and GOST.
Advanced Surface Treatment: Offers carburization, tempering, high-frequency quenching, and black oxide finishes.
Strict Quality Control: 100% whole range inspection process ensures every product meets high quality standards.
Flexible Packaging Solutions: Customizable packing options including bulk, cartons, pallets, and small boxes.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Shenzhen, Shanghai, NingboAverage Response Time: ≤6.19hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummaryNingbo Yinzhou Gangsheng International Trade Co., Ltd. is a China-based limited trading company that also identifies as a manufacturer/factory, with operations in Zhejiang and a factory location reported in Guangdong. It focuses on lithium-battery energy-storage products, including portable power stations and generators, and reports applications across portable, residential, UPS, and industrial/commercial energy storage. The supplier states that its products hold CE, FCC, and PSE certifications and that its management systems hold BSCI and ISO 9001 certifications. Reported operational indicators include eight production lines, 11–20 quality-control staff, and annual output of 100,000 power-station and generator units. It reports 90% export sales, self-operated import/export rights, and exporting since 2010. Evidence supports production experience, export capability, and certification claims, but is insufficient to confirm after-sales capability, financial credibility, customization services, or named...
Supplier typeThe supplier is identified as a trading company in its basic information, while its business-entity classification also states "Trading Company,Manufacturer/Factory." It reports a factory in Guangdong/Shenzhen, production lines, quality-control staff, and product output, supporting a hybrid trading-and-manufacturing profile.
CertificationsThe company states that its products have passed CE, FCC, and PSE certifications, and reports BSCI and ISO 9001 supplier-management-system certifications. These are explicit certification claims, although the provided information does not include certificate numbers, validity dates, or issuing bodies.
R&D capabilityThe supplier reports a strong R&D team, engineers with more than 10 years of lithium-ion vehicle-battery R&D experience, and an Industry 4.0 intelligent manufacturing system. It also describes a focus on innovative lithium-battery energy-storage products and sustainable technology, providing positive evidence of innovation orientation, although the separate data reports total R&D-engineer experience as less than five years and creates an unresolved inconsistency.
Production capacityThe supplier reports a Guangdong factory, eight production lines, 11–20 quality-control staff, an independent product test line, advanced testing equipment, and annual production of 100,000 power stations and generators. These stated facilities and output figures provide explicit evidence of established production capability.
Product Q&A
Q:What materials are available for these screws?
A:
We offer Carbon Steel, Zinc-nickel alloy, SUS304, SUS316, and Brass.
Q:Can you customize the size of the screws?
A:
Yes, we provide custom sizes according to your specific order requirements.
Q:What certifications do your products hold?
A:
Our products are certified under ISO9001:2015, IATF 16949, SGS, and ROHS.
Q:What are the payment terms?
A:
We accept TT with 30% deposit in advance and 70% balance before shipment, as well as LC and PayPal.
Q:What is the lead time for production?
A:
The average lead time is one month for both peak and off-peak seasons.
Send Inquiry
*To:
Ningbo Yinzhou Gangsheng International Trade Co., Ltd.
Ningbo Yinzhou Gangsheng International Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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