Customized High Precision Bolt and Nut / Screw Bolt / Rivet // Professional Manufacturing Services
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Product Highlights
- Custom Size Options: Available in sizes from 1/8' to 4' to meet specific project requirements.
- Forged Manufacturing: High-precision bolts and nuts produced using advanced forging techniques.
- 100% Quality Inspection: Every item undergoes visual and functional inspection before shipment.
- Multi-Material Selection: Available in stainless steel, carbon steel, brass, and iron materials.
- OEM/ODM Service: Professional customization services based on customer drawings or samples.
- 12-Hour Response Time: Quick customer service reply within 12 hours for any inquiries.
- 17 Years Experience: Professional factory with over 17 years of expertise in hydraulic fittings.
- Wide Application Range: Suitable for petroleum, chemical, power, gas, metallurgy, and shipbuilding.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Connection
- Flange
- Model NO.
- KY-514
- Standard
- Standard
- Size
- 1/8"-4"
- Technics
- Forged
- Place of Origin
- Zhejiang China
- Item No.
- Ky-514
- Brand Name
- OEM/ODM
- Head Code
- Round
- Structure
- Universal
- Flexible or Rigid
- Rigid
- Transport Package
- Plastic Bag+Carton Box+Pallet
- Specification
- ISO9001
- Trademark
- No
- Origin
- Zhejiang China
- HS Code
- 7307990000
- Production Capacity
- 200000PCS / Months
Product Images of Customized High Precision Bolt and Nut / Screw Bolt / Rivet // Professional Manufacturing Services
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Product Description
Name:Bolt and nut / screw bolt / rivet
Material: stainless steel/carbon steel /brass/iron are available.
Applications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding. construction, etc.
Specification: All fasteners (standard or nonstandard )also be available.
Note: All CNC machining fittings can be produced accroding to your drawings or requirments!
2. Other productions from Kaiyu.
-Hyraulic pipe fitting
-Hose fitting
-Hydraulic ferrule
-Hydraulic elbow
-Three way pipe fitting(tee)
-Hydraulic flange
-Nut and bolt
-Cutting rings


Note: Any more prictures,please visite: china-kaiyu.en.made-in-china.com
3.Our servise:
-Quick reply within 12 hours.
Your any questions will be replied within 12hours.
-Professional control for the order.
Sample and Mass production will be qualified and delivered on Time
-After sale.
Timely tracking to make sure items sales well on the customers market.
-Quality guarantee.
100% inspection before shipment.If any quality problem,repairing freely,100% compensation or other measurements can be available.
4.Our factory
Professional factory with17 years experiences of hydraulic fittings, hose fittings, other machine accessory like Elbow, ferrule Nut, Bolt etc.
A.Factory Building
B.Workshop



C.Packing Workshop
5.Equipment List.
| Production Equipment List | ||
| NO. | Equipment Name | Quantity(set) |
| 1. | CNC Machine | 60 |
| 2. | Meter Lathe | 80 |
| 3. | Bench Drilling Machine | 25 |
| 4. | Screw Rolling Machine | 4 |
| 5. | Cenerless Grinding Machine | 5 |
| 6. | Milling Machine | 5 |
| 7. | Tapping Machine | 5 |
| 8. | Punching Machine | 3 |
| 9. | Ultrasonic Cleaning Machine | 1 |
| Inspection Equipmen List | ||
| 1. | Measuring Projector | 1 |
| 2. | Rockwell Hardness Tester | 1 |
| 3. | Swing Machine | 1 |
4. |
Thread Ring Gauge | 1 |
| Thread Plug Gauge | ||
6.Contact information:
*****************************
Web:china-kaiyu.en.made-in-china.com
Contact:Lee
*****************************
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2331195". Items marked "" are certified.
Company Profile
1. Company introduction:
Yuhuan Kaiyu Machine Co., Ltd., located in the plumbing items' home town-yuhuan, zhejiang, China. Which was established in 1999, . It is one of the earliest enterprises mainly producing hydraulic pipe fittings, machinery accessory, auto & Motorcycle accessories etc.
Our company has mature production capacity of non-standard products, and can design production process according to customer drawings and requirements. At present, our company mainly produces high quality non-standard products and complete sets of products, all products have been well received by customers.
With more than 20 years of producing experience, the tiems widely used in mining, machinery, transportation, shipping and oil industries. Our hose connectors feature good structures and are well designed, and all our bent-shaped joints are manufactured to avoid the possible leakage during welding. We strictly test products before sending them to customers and provide a reliable guarantee in terms of quality. In order to make our products more competitive, we ensure the inspection to make sure customers will be 100% satisfied.
Its' factory covers more than 5, 000 square meters area and be with about 150 employees.
Due to years of collective endeavor of all staffs, Yuhuan Kaiyu Machine Co., Ltd. Has gained the authorization and praises from mainframe enterprises and consumers in the aspects of quality and credit standing.
With the company's motto "quality forecast, price competitive, mutual benifite-oriented", the products sell well in mainland China, as well as the USA, Japan, Singapore and Europe.
*Company Name: Yuahuan Kaiyu Machine. Co., Ltd
*Business Type: Manufacturer
*Location: Yuhuan. Zhejiang. China(mainland)
*Year Established: 1999
*Total Revenue: US$1 Million - US$2.5 Million
*Certifications: ISO9001
*Main Markets: Western Europe, MID East, Africa, Eastern Europe, South America
2. Products introduction:
Till now, Yuhuang Kaiyu Machine Co., Ltd has produced and developed sevral series of items:
-Hyraulic pipe fitting
-Hose fitting
-Hydraulic ferrule
-Hydraulic elbow
-Three way pipe fitting(tee)
-Hydraulic flange
-Nut and bolt
-Cutting rings
* All fittings / pars and components / accessories with any metal material such as stainless steel, brass, carbon steel can be produced by Kaiyu.
*Certification: ISO9001
3. Main Markets introduction
* 16.60% Western Europe
*16.67% MID East
*16.67% Africa
*5% Eastern Europe
*20% South America
*30 %North America
Total Annual Sales Volume: US$1 Million - US$2.5 Million
Export Percentage: 90%
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Yan Pan 5 Road, Ganjiang Town, Yuhuan County, Taizhou, Zhejiang, China
-
Plant Area
- 3538.89 square meters
-
Number of Employees
- 106
-
Registered Capital
- 2,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1000 Pcs
-
Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
-
Main Products
- Hydraulic Fitting, Stainless Steel Fitting, Pipe Fitting, Hose Fitting, Hydraulic Adaptor, Machine Parts
-
Production Lines
- 1
-
Production Machines
- Instrument Lathe Facility, CNC Lathing Facility
-
QA/QC inspectors
- 6 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-07-06
-
Export Year
- 24 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What materials are available for these bolts and nuts?
- We offer stainless steel, carbon steel, brass, and iron materials to suit different needs.
- Can you customize the size of the fasteners?
- Yes, we provide custom sizes ranging from 1/8' to 4' based on your requirements.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1000 pieces.
- Do you accept OEM or ODM orders?
- Yes, we provide OEM and ODM services, including production from customer drawings or samples.
- What is the lead time for production?
- The average lead time is one month, regardless of peak or off-peak seasons.
- How do you ensure product quality?
- We conduct 100% inspection (visual and functional) before shipment and offer free repair or compensation for quality issues.
- What are the payment terms?
- We accept LC, T/T, D/P, and small-amount payments.
- What is the warranty or after-sales service?
- We provide timely tracking, free repairs for quality problems, and 100% compensation if necessary.
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