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Our Company

LONGATIDI is a company specializing in producing various seamless steel pipes. It is located in Cangzhou,a famous historical city bordering Jinan in the south and Beijing and Tianjin in the north,enjoying a favorable geographical location and easily accessible with many railways and highways running through Cangzhou from north to south ,such as Beijing-Tianjin Express Railway,Beijing-Shanghai Railway,Beijing-Fuzzhou Expressway,and No.104 and 307 National highway.

 

The main production equipments of company include:aφ180 automatic pipe rolling line,3 sets of hot rolling-piercing mills,16 interactive double-rod cold-drawing machines and a number of automatic rotary pointer,straightening machines,water-free annealing furnacesand auxiliary production equipments for surface acid pickling and coating etc. Its physical and chemical labs can conduct various physical and chemical tests and experiments for steel pipes,and are equipped with eddy current flaw detectors,leakage fault detection and ultrasonic crack detectors etc. for high,medium and low pressure seamless steel pipes and petroleum casing pipes with a full its main products include8 series:seamless steel pipes for use in low and medium pressure boilers,petroleum casing pipes,ships,fluid conveyance,petroleum cracking,chemical fertilizer equipments,structures,and hollowpumping rods.It can produce seamless steel pipes according to the standards such as GB ASTM API 5L API 5CT DIN and JIS.Its products have been sold around China and exported to over dozens of countries and regions in the world such as Southeast Asia,the Middle East, Europe and America etc., enjoying the very high prestige in the domestic and foreign markets.

 

Our company also has elbow,tee and reducer production lines and advanced processes for cold forming,hot extrusion,machine processing,forging,stamping and heat treatment etc. It can various low-pressure,medium-pressure and high-pressure industrial pipe fittings that are made fo carbon steel,alloy steel and stainless steel such as elbows,flanges,tees,pipe caps,large-size elbows,reducers and socket joints etc.It boasts a full range of inspection equipments and test methods and a strong technical force.

 

For many years,our company has always insisted on the operation concept of "quality first and continuous improvement",and has provided a large amount of high-quality products to its vustomers at home and abroad in the industries such as electric power,chemical,perochemical,pharmaceutical,boiler,heating and shipbuilding etc.In addition,we can develop new products according to customers’requirements.

 

Our company always insists on survival by quality and has constantly made innovation in management and technology,and we have established a sound scientific management and quality assurance system.

 

Our Products

We offer a wide range of industrial components including the seamless steel pipe,carbon steel pipe, tee, bend, cross, elbow, flange, bracket, end cover, socket fitting, etc. These products are crafted from alloy steel, carbon steel, and stainless steel; their specifications are in full compliance with international standards such as BS, EN, GB, GD, HG, SH, SY, CSA, DIN, JIS, MSS, ANSI, and ASME.

 

Specifications

Size: 1/2''-48''

Wall Thickness: Sch10-Sch160XXS

Material: 20G, 16Mn, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, A335 P5/ P9/ P11/ P12/ P22/ P91/ P92, WB36, 10CrMo910, 0Cr18Ni9, 1Cr18Ni9, 1Cr18Ni9Ti, SUS321,304,304L,316,316L, etc. 

ASTM A179, ASTM A178C, A210 A1, ASTM A210 C, ASTM A213 T2, ASTM A213 T12, ASTM A213 T11, A199 T11, ASTM A213 T22, A199 T22, ASTM A213 T5, A199 T5, ASTM A213 T9, A199 T9, ASTM A200 T5, ASTM A53A, ASTM A53B, ASTM A106A, ASTM A106B, ASTM A106C, ASTM A335 P2, ASTM A335 P12, ASTM A335 P22, ASTM A335 P5.

 

Our Equipment

Our company operates on a strong technical foundation. We own advanced production facilities and utilize complete testing methods. At our disposal are 316 sets of support equipment including the lathe, vertical lathe, jump hammer, pushing machine, press machine, beveling machine, sawing machine, drilling machine, pipe-bending machine, T-joint cold extrusion machine, large-format sand-blasting machine, large-format heat treatment electric furnace, etc. We have 40 sets of precision testing instruments for the analysis of material, physical, chemical, and metallographic properties. All of our quality assurance personnel have undergone professional training for relevant qualification certificates that are recognized at national and provincial levels.

 

Certificates

1. ISO9001 international quality management system

2. ISO14001 environmental management system

3. OHSAS18001 occupational health safety control system.

4. API and CE

5. Qualification certificates

 

Awards

Over the years, our company has accumulated many titles including "Famous Trademark in Hebei", "Outstanding Private Enterprise", "Contract-Honoring and Faith-Keeping Enterprise in Hebei", "2007 Chinese Leading Enterprise in Metal Material Circulation", etc.

Mission Statement

The strives to provide durable components for major pipeline projects both at home and abroad. Reputation is achieved through product quality, and we aim to become a reputable brand that is recognized internationally.

Service

We can arrange for our clients. Free samples are provided for our clients. After order confirmation, a professional logistics team intervenes to ensure the timely delivery of goods. Clients who have purchased our products enjoy excellent after-sale services. The quality guarantee is valid for one year.

Main Products Range:

  • 1.    Seamless Steel Pipe: OD 1/8 – 30 inch (10.3-762mm)
  • 2.    ERW Steel Pipe: OD 1/2 – 24 inch (21.3-610mm)
  • 3.    SSAW Steel Pipe: OD 8 – 100 inch (219.1-2540mm)
  • 4.    LSAW Steel Pipe: OD 8 – 72 inch (219.1-1820mm)
  • 5.    Galvanized Steel Pipe: OD 1/2- 24 inch (21.3-610mm)
.

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Get in touch

Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!