According to a famous Chinese B2B report, from Jan to May of 2013,export value of tube and pipes which makes by seamless drill machine or pipe expanding machine was drop.

 Hebei,Shanxi,Shandong,and Anhui are major original delivered places of China Tubes,Pipes and hoses and fittings of cast iron. The export volume of five places hold 88.5% of whole exports,and exports value takes a 83.54% of whole value at 1-5 of 2013. At top ten original delivered places of China Tubes,pipes and hoses,and fittings of cast iron,the largest export amount and value increasing place are Hubei,which take 4831.8% and 3019.5% growth as before.

Hopefully export value of above provinces have good expression in second half.