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China, Chinese Premium Passivated Hexagon Head Bolts with Zinc Plating Finish1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingBoltsPrecision-Made Hexagon HeadHex Bolt
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
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Product Description Product DescriptionProduct Name:Precision-Made DIN 931-1 Hexagon Head Bolts Partially Threaded Grades a and BStandard:DIN 931 Material:Carbon steel and stainless steelSize:Reference standards and according to customer requirementsFinished:Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,PlainDelivery time:Normally in 30-40 days. Ningbo Yinzhou Sokun Import & Export Co., Ltd. is located in Ningbo, a major port city with excellent transportation infrastructure.Main Products: Non-standard parts, fasteners, stamping parts, and machined parts.We have established long-term business relationships with professional clients across North America, Europe, Australia, and Asia.Guided by our core values of "Sincerity, Dedication, Creativity, and Innovation", we adhere to a quality-driven development strategy** under scientific management to ensure sustainable growth and profitability.Q1. Corporate Profile & Manufacturing CapabilitiesA1:Established in 2009, we are an ISO-certified fastener manufacturer and solar mounting system solutions provider headquartered in Ningbo, China. With comprehensive R&D capabilities and vertically integrated production facilities, we serve global markets including North America, Oceania, China Domestic Market, Eastern Europe, Southeast Asia, South America, Africa, and the Middle East. Our expert engineering teams specialize in precision fastener development, lean manufacturing, multi-stage quality assurance protocols, and after-sales service management.Q2. Quality Assurance SystemA2:We implement a rigorous two-stage quality assurance protocol:Pre-production sampling with dimensional verificationFull batch inspection including torque testing, salt spray analysis, and material certification prior to container loadingThis dual-check system ensures consistent compliance with ASTM/ISO standards.Q3. Core Product PortfolioA3: Our manufacturing expertise covers:? Industrial Fastening Solutions:Hex bolts, machine screws, locking nuts, flat washers, threaded rods, blind rivets, retaining clips, and precision-engineered CNC-machined components? Solar Energy Installation Systems:Ground-mounted & rooftop solar racking systems, PV module mounting accessories, UL-certified cable management solutions, and corrosion-resistant ABS combiner box mounting bracketsQ4. Can you provide a sample?A4:? Free samples available (1-3 pcs standard specification)? Express options: DHL/UPS/FedEx (customer's account)? Prototyping service: Customized samples within 15 working days? Note: Sample cost refundable upon bulk order confirmationQ5. Payment Terms & Trade ServicesA5: Standard commercial terms:30% T/T deposit with 70% balance payable against Bill of Lading copyFor orders under $1,000 USD, we recommend full advance payment to minimize international transaction feesAcceptable payment instruments: SWIFT transfer, LC at sight (negotiable for bulk orders)
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