Zhangqiu Yu Bin Petrochemical Fittings Factory was established in 1999, registered capital of 6 million.Our company is an I S O international certification enterprise. Located in Puji Town Zhangqiu City Shandong Province China, we are equipped with sophisticated modern production equipment, all kinds of die forging of form complete set equipment, all types of metal cutting machine tools and CNC machining center. Our professional production includes flange, grinding ball, tube sheet and all kinds of free forging under 15 metric tons. We belong to the annual production capacity ten thousand tons enterprises. We have a perfect detection system, sticking to each batch of raw materials for chemical analysis. Each product should pass: size, hardness, UT the strict inspection, to ensure that the 100 % pass rate.