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Weather Resistant Roofing Screw Waterproof Sealing Washer for Warehouse and Greenhouse Construction
US$1.60
2,000-9,999 Pieces
US$1.00
10,000-99,999 Pieces
US$0.20
100,000-299,999 Pieces
US$0.01
300,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon Steel/Stainless Steel/Alloy SteelType
Hexagon HeadModel NO.
Roofing ScrewGroove
HexagonConnection
Common BoltHead Style
HexagonalStandard
DIN, GB, ANSI, JISGrade
Class 4.8 & 6.8MOQ
2000PCSThread
Full /Half ThreadFinish
Plain/Zinc Plated/Black/Chrome/H.D.G and etcCertificate
ISO9001Quality Control
100% InspectionDelivery Time
10-15 DaysSample
Sample AvaliableExperience
for 20 YearsApplication
Building & Decoration, Industrial Aluminum Light SDelivery Method
by Sea, by Air or by Express ServiceTransport Package
Woven Bag, Carton, Box+Carton, Pallet PackingSpecification
20-200mmTrademark
JMOrigin
ChinaHS Code
7318159001Production Capacity
10000000PCS/MonthKey features
Custom Fastener Solutions: Supports production based on customer drawings, samples, or technical requirements.
Wide Material Selection: Offers stainless steel, carbon steel, alloy steel, aluminum, copper, and special alloys.
Multiple Surface Treatments: Provides zinc plating, HDG, black oxide, phosphate, and customized finishes.
Complete Set Supply: Supplies fasteners with nuts, washers, or complete sets to reduce sourcing workload.
Free Sample Service: Provides free samples for standard items and customized items upon request.
Strict Quality Control: Systematic inspection from raw material to final shipment ensures dimensional accuracy.
Flexible Delivery Options: Supports sea, air, and express shipping with customized packaging solutions.
20 Years Experience: Reliable manufacturer with extensive export background and professional service team.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 20 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.16h
AI-Powered supplier vetting
SummaryShanghai Jian & Mei Industry and Trade Co., Ltd. is a China-based trading company and manufacturer with comprehensive service capabilities, including ODM and OEM services. The company is adept in handling after-sales services and maintains a sound quality control system. Despite limited innovation in new product development, it offers flexible customization and participates in international trade shows to enhance its presence. Financially, the company has demonstrated stability over the past three years, but specifics on certification holdings are not provided.
Supplier typeThe supplier is identified as both a trading company and a manufacturer/factory, based in Shanghai, China.
After-Sales capabilityThe supplier has established procedures for corrective and preventive actions, and effective handling of customer complaints, ensuring quality assurance and traceability in quality control processes.
Financial creditThe supplier's financial capacity is demonstrated over the last three years, indicating financial stability.
R&D capabilityThe supplier has not introduced new products in the past year, indicating limited innovation capability.
Production capacityThe supplier operates five production lines with an annual production output valued between US$10 million and US$50 million.
Customization capabilityThe supplier offers flexible customization and provides ODM services.
Product Q&A
Q:Can JM Hardware produce customized fasteners based on drawings?
A:
Yes. JM Hardware supports customized production based on drawings, samples, or technical requirements. Customers can provide drawings (PDF/DWG/STEP), material/specification requests, and key dimensions/tolerances. JM Hardware will review feasibility, confirm process route, and provide a quotation with lead time.
Q:What materials are available for JM Hardware fasteners?
A:
JM Hardware offers fasteners in common industrial materials such as stainless steel, carbon steel, alloy steel, aluminum alloy, copper, and other special alloys based on customer requirements. Material selection can be aligned with strength requirements, corrosion conditions, and project standards.
Q:What surface treatments can JM Hardware provide?
A:
JM Hardware can provide multiple surface treatments based on application needs, such as zinc plating, hot dip galvanizing (HDG), black oxide, phosphate coating, and other customized finishes. If you have coating thickness or corrosion resistance requirements, JM Hardware can align production and inspection accordingly.
Q:Does JM Hardware provide samples before mass production?
A:
Yes. JM Hardware can provide samples for confirmation when required. For standard items, available samples may be provided quickly. For customized items, JM Hardware can arrange sample production after confirming drawings/specifications. Sample lead time depends on complexity and material availability.
Q:How does JM Hardware control quality?
A:
JM Hardware implements quality control throughout production, including: Raw material verification and incoming inspection, In-process inspection during forming/machining/threading, Final inspection before packing and shipment, Packaging checks and traceability labeling. This systematic approach helps JM Hardware maintain stable product quality and reduce installation risks.
Send Inquiry
*To:
Shanghai Jian & Mei Industry and Trade Co., Ltd.
Shanghai Jian & Mei Industry and Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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