To date, more and more clients, ranging from China to Japan, Korea, Southeast Asian Nations and part of American and European countries have started to select our products, which have won a good reputation both at home and abroad.            
 
     We are sure that from pure-hearted cooperation we can establish good relationships. Feel free to contact us, we are sure to satisfy you with our professional information, top quality products, best price, and efficient services.     
       
     For all details, please never hesitate to contact us     

Our company provides the following tubings with API standard.    

Tubing Standard API Spec 5CT
OD		Wall Thickness		Mass		ID	Ends	Grade
inch	mm	inch	mm	kg/m	lb/ft	mm		J55, K55, N80, L80, P110,
2-3/8	60.3	0.190	4.83	6.61	4.44	50.66	NU, EU
2-7/8	73.0	0.217	5.51	9.18	6.17	62.00	NU, EU
3-1/2	88.9	0.254	5.54	13.11	8.81	76.10	NU, EU
4	101.6	0.262	6.65	15.57	10.47	88.30	NU, EU
4-1/2	114.3	0.271	6.88	18.23	12.25	100.50	NU, EU