As Pipe fitting manufacturer, Cangzhou Longtaidi Pipe Technology Co. LTD is the reliable and qualified manufacturer of steel pipe, pipe fitting and flange in China. Especially in the field of petroleum. Our products are widely used in different fields including petroleum, natural gas, chemical industry, power generation ocean projects, shipbuilding, medicine, paper making and so on; Our products are exported to America, Korea, Germany, Italy,Pakistan, Bangladesh, Brazil, Algeria, Kazakhstan, Burma, Turkmenistan, Vietnam, the Middle East, Africa and other countries and regions.

Enterprise philosophy: sincere, trustworthy and keep improving

Founded in 1993, Cangzhou Longtaidi Pipe Technology Co. LTD is a professional and high tech enterprise integrating bimetal-lined pipe and fittings’ design, research, manufacture and sales in whole. The headquarter is located in the Cangzhou Economic Development Zone, which covers an area of 233,000 square meters and has the registered capital of RMB100.6 million.

Longtaidi is the designated and qualified supplier of pipe fittings for domestic large energy groups, such as CNPC CNOOC,SINOPEC,SINOCHEM,CHINA COAL CHINALCO. Long-term tech cooperation with domestic research institutes has established and will promote our research and development on new products and advanced technology continuously. Now Longtaidi is the leading level professional industry home and broad.

Our main products are bimetal clad pipes, bimetal clad pipe fittings(elbows, tees, reducers,forged fittings) and bimetal clad flanges; Steel pipes, pipe fittings(elbows, tees, reducers,forged fittings) and flanges.
We especially focus on production of high pressure wall sickness pipe fittings, bimetal clad pipe fittings, anti-sulfer and anti-hydrogen pipe fittings, X-steel large diameter pipe fittings, gas collecting pipe fittings and other products.

The available range of pipe fitting is DN≤3200mm, S≤150mm, and PN≤42Mpa. Available materials are SS, AS,CS and bimetal clad, nickel base alloy and inconel alloy.
The available range of bimetal pipe is DN≤1000mm, S≤60mm. The lined materials can be stainless steel, duplex steel, nickel base alloy, cooper alloy, aluminum, titanium etc.

We believe in quality is life. We have our own chemical and physical test center. We have more than 50 sets of testing facilities. We have got the license of pressure pipe components manufacture, ISO9001 quality management system and ISO140011 environment management system, OHSAS18001 occupational health management system, API, ASME-U/PP, CCS, LR, BV, ABS etc.. Over years accumulation, rich experience in production technology has hold and comprehensive strength has been continuously growing. Now we have advanced production equipment, including one lined pipe production line with capacity of 20,000 tons per year, more than 40 sets of pipe and fitting weld overlay machines, a set of 6000Thydraulic pressing machine, 2500T hydraulic pressing machines 1 set;We have DN1500, DN1400,DN1000, DN700 and DN350 diameter of intermediate frequency hot induction equipment; 4 sets of large natural gas heating furnace; 380 sets of other welding equipment, machine, surface treatment equipment etc..

“The market as the guidance, the quality as the base of well know brand and the innovation as developing of company” is the base of company developing. A stable of cooperation gold bridge with our partners and customers has been built. We are sure to enjoy a bright future together.