CHINA'S TRUSTED FITTINGS & FLANGES
MANUFACTURER AND SUPPLIER !

* COMPLETE PRODUCT LINE AND SPECIFICATIONS
* CUSTOMIZED SOLUTIONS & PRODUCT PROCESSING
* QUALITY CONTROL EXCEEDING INTERNATIONAL STANDARDS
* STABLE INVENTORY & FAST GLOBAL DELIVERY

Fitting Certificate
Pipe Fittings and Flanges Factory

YANTAIPIPE

CHINA'S LEADING SUPPLIER OF PIPING MATERIALS

YANTAIPIPE established in 2013 and headquartered in Yantai, China, is a comprehensive service provider specializing in delivering full-range pipeline system solutions. Integrating pipeline material production, processing, warehousing, and global sales, we leverage exceptional supply chain integration capabilities and stringent quality management systems to offer professional, efficient, and reliable one-stop pipeline system services. We are committed to becoming a trusted partner for clients worldwide in the energy sector.

Our pipeline product portfolio covers the entire pipeline system, with production facilities for seamless steel pipes, welded steel pipes, pipe fittings, flanges, and valves, as well as supporting processing plants, warehousing centers, and R&D centers. In addition to our own products, we are also authorized overseas sales agents for leading domestic manufacturers such as BAOSTEEL, ANSTEEL, TISCO, and TPCO.

Product Lines for Your Business

We specialize in the manufacture of high-quality industrial pipe fittings and flanges. Our product line comprehensively covers fittings such as elbows, tees, reducers, crosses, and caps, as well as various flange types including butt-weld, slip-on, blind flanges, socket-weld, and loose flanges. Materials include carbon steel, stainless steel, and various alloy steels, and we can meet pressure rating requirements ranging from Class 150 to 2500. We strictly adhere to international standards such as ASME/ANSI, ASTM, API, DIN, and JIS. Leveraging our robust supply chain and resource integration system, we ensure stable and timely delivery, and we support customized solutions tailored to your specific design, material, or pressure requirements.

Pipe Elbow Fitting

Pipe Elbow Fitting

Tee Pipe Fitting

Tee Pipe Fitting

Cross Pipe Fitting

Cross Pipe Fitting

Reducer Pipe Fitting

Reducer Pipe Fitting

Pipe Cap Fitting

Pipe Cap Fitting

Bend Pipe Fitting

Bend Pipe Fitting

Stub End Fitting

Stub End Fitting

Hanger & Supporter

Hanger & Supporter

Stainless Steel Fittings

Stainless Steel Fittings

Carbon Steel Fittings

Carbon Steel Fittings

Forged Fittings

Forged Fittings

Socket Weld Fittings

Socket Weld Fittings

Plate Flange

Plate Flange

Weld Neck Flange

Weld Neck Flange

Slip-On Flange

Slip-On Flange

Socket Weld Flange

Socket Weld Flange

Threaded Flange

Threaded Flange

Lap Joint Flange

Lap Joint Flange

Long Weld Neck Flange

Long Weld Neck Flange

Blind Flange

Blind Flange

Spectacle Flange

Spectacle Flange

Integral Flange

Integral Flange

Rotating Flange

Rotating Flange

Compact Flange

Compact Flange

Why Partner with YANTAIPIPE ?

With over 13 years of industry experience, we specialize in helping our business partners scale operations, streamline procurement processes, and achieve mutual profitability. Our steel pipe and fittings products have been extensively utilized in major global energy projects, serving numerous international energy giants including CNPC, Sinopec, Shell, Total, and national oil companies from Kuwait, Azerbaijan, Abu Dhabi, Qatar, Algeria, and Saudi Arabia. Whether you operate as an EPC contractor or distributor, we deliver products and services that satisfy both you and your customers.

Production Workshop and Equipment

Our pipe fittings and flange production facility covers an area of 35,000 square meters, with a building area of 25,000 square meters and a registered capital of 92 million yuan. We have been certified as a High-Tech Enterprise, a Specialized, Refined, Unique, and Innovative SME, a Hebei Provincial Green Factory, and a National-Level Technology-Based SME, and hold over 200 national patents. We are equipped with one 6,000-ton hydraulic press and one 2,000-ton hydraulic press,three medium-frequency induction push-forming machines, and two large high-frequency induction pipe benders. Additionally, we have three vertical lathes with a 2.5m diameter, a CNC drilling and milling machine with a 3.2m diameter, large natural gas heat treatment furnaces, heating furnaces, two resistance furnaces, and over 200 other sets of welding, machining, and surface treatment equipment.

Inventory and Processing Capacity

In addition to the inventory warehouses at each production base, we operate three modern pipe product processing plants and warehousing centers, maintaining a year-round inventory of no less than 30,000 tons. Our inventory includes steel pipes, pipe fittings, flanges, and various high-grade alloy pipeline products. Thanks to our seamless resource integration capabilities, we can complete the entire process—from inventory preparation, product processing, quality inspection, to packaging and shipping—in as little as one week. Our streamlined delivery process ensures the smooth progress of our customers’ projects and provides them with a stable supply chain.

Quality Control and Packaging

Our quality control laboratory is equipped with a comprehensive range of testing equipment, including impact testers, tensile testers, hardness testers, metallographic testers, and hydrostatic testers. With a team of 18 in-house materials engineers and quality control engineers, we ensure that every batch of products fully complies with international quality standards. All orders undergo rigorous secondary inspections before packaging and shipment. We can customize additional testing procedures and packaging methods according to customer requirements, and provide professional quality inspection reports and certificates of quality.

International Certification

Our factory has successively obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications. We also hold: Special Equipment Manufacturing Permits, API 5L/5CT international certifications, and approvals from German GL, American ABS, French BV, Norwegian DNV, British LR, and Chinese CCS classification societies. These authoritative certifications not only demonstrate our factory's outstanding management standards in quality, safety, and environmental protection, but also provide our products and services with a global market passport.

Pipe Fitting Factory Certificate
ISO logo
ASTM logo
CE logo
TUV logo
Bureau Veritas logo
LR logo

Sales Team and Overseas Sales Network

We maintain a 20-member professional technical support team providing round-the-clock services including technical consultation, customized solutions, product quotations, freight coordination, and after-sales support. To strengthen our overseas sales network, we have established international offices in Hong Kong, China; Bangkok, Thailand; and Kuala Lumpur, Malaysia. Our team members possess extensive industry experience and professional technical qualifications. Through continuous process optimization, we ensure rapid response and effective handling at every stage.

International Project Cases

2025092802351361

KNPC Clean Fuels Project

Kuwait National Petroleum Company (KNPC) invested $12 billion in 2017 to construct a clean fuel project. Utilizing advanced hydroprocessing technology, the project successfully produced Euro V-compliant clean fuel with sulfur content below 10 ppm and a 40% reduction in aromatics. From the initial project bidding and design phase to subsequent construction and acceptance, we provided comprehensive involvement throughout the entire process. We supplied high-quality ASTM A106 Gr.B and ASTM A333 Gr.6 pipe materials and fittings and flanges, totaling over 40,000 tons. We currently offer ongoing after-sales service and technical support for the project.Highly recognized by customers.

Qatar North Field East Project

The North Field East Project, an onshore LNG facility initiative by QatarEnergy, represents the world's largest LNG expansion project with an investment scale of $28.7 billion. It will construct four new production lines with an annual capacity of 8 million tons of LNG each. Upon commissioning in 2025, Qatar's total LNG production capacity will increase to 110 million tons, further solidifying its position as the global leader in LNG exports. We have cumulatively supplied 26,000 tons of ASTM A106 Gr.B and ASTM A333 Gr.6 standard pipes and fittings and flanges. All specifications fully comply with the contractor's technical requirements. Following the project's successful completion, we have maintained ongoing collaboration with the project's EPC contractor.

2025092802351396
2025092802351498

Algeria Hassi Messaoud MPS Project

The Hassi Messaoud MPS Project in Algeria is a key strategic energy initiative for the nation, employing internationally advanced oil and gas processing technologies. With a total investment of US$1.5 billion, it aims to establish a modern oil and gas processing center. Given the complex local geological conditions, we supplied 3PE-coated API 5L X60Q PSL2 pipelines totaling 15,000 tons, tailored to the operational environment and construction requirements. Our pipeline products successfully withstood the test of extreme operating conditions, providing a solid foundation for the project's timely and successful commissioning.

What Our Customers Say

  • Jerry and I met at a trade show. His professionalism, sales skills, and witty charm are second to none. My decision to partner with YANTAIPIPE was primarily based on my confidence in his personal capabilities. As our collaboration grew more frequent and our purchase volumes increased, YANTAIPIPE consistently provided me with a stable supply chain. Their impeccable service leaves me with no reason to look for another supplier—they are simply the best!

    Tan Mei Ling

    Tan Mei Ling

  • Jerry really saved me from a huge headache! In the past, when sourcing for a project, I had to coordinate with multiple suppliers while managing schedules, inspections, and shipping—it was a time-consuming and labor-intensive process. Since partnering with YANTAIPIPE, our supply chain challenges have been fundamentally resolved. We can now handle virtually all our product procurement through them, and they’ve helped us resolve other issues as well, significantly reducing our procurement costs!

    Happy

    Happy

  • I have 10 years of experience sourcing from China. Their prices may not be the lowest, but their quality is definitely the most reliable! In the years I’ve worked with YANTAIPIPE, all inspections have passed on the first try, and there have been absolutely no issues. Now, aside from steel pipes, I source all my other pipe fittings and flanges from them in a single order, which has saved me a significant amount of time and effort.

    Steffen

    Steffen

Our Service Journey

  • Step one

    Confirm customer requirements, customize solutions, and provide quotes.

  • Step two

    Confirm the quotation, sign the contract, and pay the deposit.

  • Step three

    Arrange production and custom processing based on inventory.

  • Step four

    Conduct rigorous quality inspections, package, and ship.

  • Step five

    Pay the balance and start after-sales service.

The Journey of YANTAIPIPE

2013
Company establishment
Yantai BaoShang Steel Pipe Co., Ltd.,(宝商管业) established in 2013, is an authorized overseas sales agent for BAOSTEEL and TPCO.
2015
Cooperation with KNPC
In 2015, we entered into a partnership with KNPC, signing a $50 million procurement contract for 40,000 tons of goods, thereby commencing services for major international energy projects.
2020
Establish Overseas Offices
In 2020, overseas offices were established in Hong Kong, China; Bangkok, Thailand; and Kuala Lumpur, Malaysia.
2023
Acquire Equity in Laiwu Iron & Steel Group
In 2022, through the privatization and share reform of Laiwu Iron & Steel Group, the company acquired a stake in Laiwu Iron and Steel Group and assumed responsibility for its overseas sales channels.
2023
Establish XinBaoShang Steel Group
In 2023, Xinbaoshang Steel Group was officially established, and the construction of its pipe fittings and valve factory was completed, with operations now fully underway. The company’s product line now covers the entire piping system.

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If you cannot come to China, then we can also book an online video to show you the process