Zhangqiu Yu Bin Petrochemical Fittings Factory is a professional metal parts manufacturer, the factory was established in 1999,covers 12000 square meters,have acquired Bureau Veritas and ISO9001 Certification , located in Puji Zhangqiu City Shandong Province China,and near the Qingdao port. Yu Bin Factory is a set design and development, production and manufacture,international sales as one of independent modern enterprise.Main products:heat exchanger/condenser tube sheet,and all kinds of complex forging precision machined products. Many products are widely used in aerospace, military and civilian ships, machinery and equipment, transportation, medical instrument, petrochemical industry, and many other fields.Yu Bin Factory also provide the core products for many world famous enterprises. Yu Bin Factory owns heavy forging equipment,high precision CNC equipment and all kinds of mechanical equipments more than 50 sets, advanced testing instrument more than 10 units.Strictly according to the requirement of the product technology:Forging(mold forging,free forging,rolling ring),Heat Treatment(normalizing,quenching,tempering),Machining(turning,milling,boring,shaping, grinding,hobbing,drilling etc),Products inspect(raw material analysis,PT,MT,UT, HRC,Ra,metallurgical structure, grain size, tensile strength, yield strength, elongation, intergranular corrosion, etc). All the products are conformed with EN10204-3.1 specification. Surface treatment(black oxide,galvanizing,chrome plating,nitriding,Package etc. Yu Bin Factory take the precise products as the guidance,plays an important role in industrial equipment manufacturing industry.