**High Quality Black U Bolt**
**Product Specification**
| ITEM | DESCRIPTION |
|-------------------|----------------------------------------|
| **Model No.** | LB-001-8 |
| **Application** | Machinery, Chemical Industry, Environmental, Building |
| **Finish** | Black, Plain, Zinc Plated (Clear/Blue/Yellow/Black), HDG, DACROMETect |
| **Size** | Customized Sizes |
| **Material** | 20#, 35#, 45#, 40CR, 35CRMO, 1008, 1018, 42CRMO, B7 Carbon Steel, etc. |
| **Transport Package** | Plastic Bag + Carton Box + Wood Pallet |
| **Specification** | M6 * 148mm |
| **Origin** | Dongguan, China |
| **HS Code** | 7318150000 |
| **Delivery Time** | 20–45 Days |
| **Port** | Shenzhen, China |
| **Production Process** | Cold Forging, Hot Forging, etc. |
| **Notice** | Please provide Size, Quantity, Grade, Finish |
| **Sample** | Free samples available for regular products; tooling and proofing charges apply for custom orders |
**Why Choose Us?**
1. **Service Advantage**
We offer OEM services, design support, and buyer label options. Our professional foreign trade team provides 24/7 online support. We are committed to long-term customer relationships and will always do our best to solve any issues you may face.
2. **Product Advantages**
- **Quality Assurance**: We strictly follow ISO quality management standards.
- **Customization**: As a direct manufacturer of non-standard fasteners, we can produce any type of screw based on your design.
- **Competitive Pricing**: By working directly with raw material suppliers and processing plants, we eliminate middlemen and offer high-quality products at factory prices.
3. **Staff Advantage**
Our company has a dedicated R&D team consisting of 2 design engineers and 5 technology developers. Our engineers have over 20 years of experience in designing and manufacturing custom fasteners.
4. **Company Advantage**
With over 11 years of experience in the fastener industry, our factory is located in Dongguan, Guangdong, China, near Shenzhen and Guangzhou. The factory covers 3,000 square meters, with a monthly production capacity of 8 million pieces. We can create new molds within 7 days and produce samples in just 5 days for urgent orders.
**Company Introduction**
Dongguan Wanjin Hardware Products Co., Ltd. is a professional manufacturer of non-standard parts, located in Dongguan City, Guangdong Province, China. Our product range includes long screws, bolts, CNC lathe parts, stamping parts, and more. Our major customers come from industries such as New Energy, Automotive, Motor Electrical, Sports Equipment, Mechanical Equipment, Baby Products, Household Appliances, Furniture, and Electronics. We have a complete and scientific quality management system, along with advanced CNC milling and cold forging equipment. With a strong sense of responsibility, integrity, and innovation, our products and production capabilities are widely recognized in the Chinese market. We collaborate with many export fastener traders to provide high-quality customized non-standard products based on customer drawings.
**Workshop & Warehouse**
[Image: Workshop and warehouse layout]
**Company Certificate**
[Image: Certifications and licenses]
**FAQ**
Q1: Are you a manufacturer or trading company?
A: We are a manufacturer specializing in fasteners with over 11 years of experience. We produce bolts, studs, rivets, pins, and stamping parts, offering a wide range of customized non-standard fasteners. Our factory is located in Dongguan, Guangdong, China, near Shenzhen and Guangzhou.
Q2: What is your pricing policy?
A: As a direct manufacturer of non-standard fasteners, we eliminate intermediaries by working with raw material suppliers and processing factories, ensuring high-quality products at competitive factory prices.
Q3: What materials do you use?
A: We use carbon steels (low and medium), alloy steels, stainless steel, and brass.
Q4: Do you support custom orders?
A: Yes, we can produce according to your drawings.
Q5: Do you produce standard or non-standard bolts?
A: We produce both custom and standard bolts (ANSI, DIN).
Q6: Can we print our logo?
A: Yes, we can customize it according to your request.
Q7: Can you provide samples?
A: Free samples are available for regular products. For custom orders, tooling and proofing charges may apply. Shipping costs are not included.
Q8: How do you ensure quality?
A: We implement strict ISO quality control with 8 stages of inspection. We also conduct daily internal checks and third-party audits.
Q9: What is the lead time?
A: Typically 30–50 days after deposit.
Q10: What payment terms do you accept?
A: T/T, cash, Western Union, or L/C.
Q11: Do you offer after-sales service?
A: Yes, we are available at any time for support.
**Contact Person**
August Wu (MS)
Position: Sales
Company: Dongguan Wanjin Hardware Products Co., Ltd.
Mobile: +86 15294827729
Tel: +86 769-87895175
Fax: +86 769-82094660
Address: No.3, Sanxing Road, Tiesong Industrial District, Qingxi Town, Dongguan City, Guangdong Province, China
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