Aokai Oil Tools | Professional Well Screen & Wedge Wire Screen Manufacturer

About Aokai Oil Tools

Tianjin Aokai Oil Tools Co., Ltd., founded in October 2001, is a professional and renowned manufacturer and exporter of sand control products and accessories for water, oil, gas, and environmental industries.

Located in Lianmeng Industrial District of Dagang Oil Field, Tianjin, China — just 40km from Tianjin Xingang Port — we benefit from convenient transportation and strategic access to global markets.

ISO Certified

Certified under ISO9001:2000 quality assurance system since June 2003.

Global Reach

Products distributed across USA, Russia, Canada, Saudi Arabia, Nigeria, Germany, and more.

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Our Products

Premium well screens and oilfield accessories engineered for durability and performance.

Best Seller

Well Screen

Precision-engineered for sand control in oil, gas, and water wells. High slot accuracy and corrosion resistance.

Durable stainless steel construction
Custom slot sizes available
ISO9001 certified

Wedge Wire Screen

Also known as Johnson screen, ideal for water intake, filtration, and dewatering applications.

Self-cleaning V-wire design
High flow rate, low pressure drop
Available in various diameters

Slotted Liner

Laser-cut or milled slots for precise sand control in oil and gas production wells.

High strength carbon or stainless steel
Custom slot width and length
API-compliant manufacturing

Pipe Base Screen

Robust base pipe with precision slots, used as foundation for wire-wrapped or pre-packed screens.

API 5CT compliant
Threaded or plain end options
Corrosion-resistant coatings

Perforated Pipe

Laser or mechanically perforated pipes for filtration, drainage, and fluid distribution.

Round or slotted hole patterns
Custom hole size and density
Carbon or stainless steel

Screen Pipe

Complete screen assemblies for water wells, geothermal, and industrial filtration systems.

Full-length or interval screens
End caps and centralizers available
High collapse resistance

Wire Wrap Screen

Continuous wire-wound screen for superior sand control and long-term well integrity.

Precision-wound V-wire or round wire
High open area ratio
Custom slot sizes from 0.1mm

Sieve Plate

Perforated or slotted plates for industrial filtration, separation, and screening processes.

Flat or domed configurations
Multiple material grades
Custom hole patterns

Centralizer

Ensures casing concentricity during cementing operations for optimal zonal isolation.

Bow spring or rigid types
API 10D compliant
Galvanized or epoxy coated

Reducer

Connects tubing or casing of different diameters with high-pressure integrity.

Forged or welded construction
Threaded or welded connections
API 5CT and 5L standards

Pup Joint

Short connector used to adjust tubing string length or orientation in well completion.

Available in various lengths
Threaded ends per API standards
High-strength materials

Coupling

Used to connect two sections of tubing or casing with leak-proof, high-torque performance.

API 5CT compliant
Heat-treated for strength
Threaded internal connection

Why Choose Aokai?

ISO9001 Certified

Our quality management system ensures consistent, reliable products meeting international standards.

Global Distribution

Trusted by customers in USA, Russia, Canada, Saudi Arabia, Nigeria, Germany, and over 20 countries.

Custom Manufacturing

We produce screens and accessories to your exact specifications, materials, and API standards.

Lean Production

Partnered with A.brain to implement lean manufacturing for efficiency and cost-effectiveness.

Frequently Asked Questions

We manufacture well screens using carbon steel, stainless steel (grades 304, 316, 316L), and duplex stainless steels, depending on the application and corrosion requirements.

Yes, we offer full customization of diameter, length, slot width (from 0.1mm), and open area percentage to meet your specific well conditions and sand control needs.

Yes, our screens, pipes, couplings, and centralizers are manufactured in accordance with API 5CT, API 5L, and API 10D standards where applicable.

Standard lead time is 30-45 days depending on order size and customization. We offer expedited production for urgent requirements.

Yes, our engineering team provides full technical support, including screen design recommendations, material selection, and installation guidance.

Contact Aokai Oil Tools

We're here to support your oil, gas, water, and environmental projects with high-quality well screens and accessories.

Address

Lianmeng Industrial Park, Hongqi Road,
Dagang Oil Field, Binhai New Dist.,
Tianjin, China (Mainland)

Phone

+86 22 63152535

+86 22 63152606

+86 17622865993

Email

aokai@oilchemtj.com

Business Hours

Monday - Saturday: 8:00 AM - 5:00 PM

Sunday: Closed

Get in Touch

For product inquiries, quotes, or technical support, visit our official website to contact our team directly.

Visit Official Website to Contact

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