Recently, another new product was successfully completed on the OCTG production line through technical innovation of technicians in Molong. Based on the order requirements, the trial production 13 3/8″ was finished completely ,which means Molong makes a breakthrough of OCTG of bigger diameter. Supposedly, 13 3/8″casing is in great demands in markets. This successful trial production means self-innovation of Molong is moving forward again.