YanShan HOYO metal CO., Ltd. was found in 1995 .It is a real professional manufacturer of Carbon Steel Seamless Butt Welding Pipe Fittings according to ASME ANSI B16.9, DIN and JIS stardard. Simultaneously we provide each kind of model high quality aerosol valve for the general customers. YanShan HOYO metal CO., Ltd. is located in Yanshan County, Cangzhou City, Hebei province , China where was titled â??the Capital of steel pipe fittingsâ?? . Our company has tremendous technical & economic strength and has the most advanced production and test equipment and gather a batch of high qualified professional technical engineer. Our products have been largely exporting to Asian Countries, North America and Europe and our products have high quality with the most competitive price that enjoy great popularity in our clients .Our Management guideline is â??observing contract & keeping promiseâ??. Our Goal is â??Quality have the priority, Fidelity and credit is regarded as fundamentalâ??. We have been doing our utmost to strive for the No.1 of this industry. We welcome friends from all over the world to come to our factory for a visit to develop our friendship and business relations