97精品久久久久久久久精品,情品网站黑人,免费观看黄网站在线播放,欧美亅性猛交内射

       As a professional manufacturer of stainless steel pipe fittings, yingli machinery majors in precise casting, machining and selling of stainless steel fittings.

      We have precision casting production lines, CNC lathes, processing equipment and special machines, such as spectrometers, chemistry analyzers, metallurgical microscope, the sclerometer, the roundness measuring, the rough meter, and three coordinates measuring instrument from Japan to ensure the quality.
     Company has acquired ISO 9001, and passed the CE authentication successively. The company carries out the 5S management comprehensively.
        We can produce all kinds of 150lbs thread fittings and OEM parts, which have been exported to all over the world. The fittings are designed and manufactured according to international standards, and the main material are CF8M,CF8,CF3,CF3M.
     Yingli insist on the brand concept of ‘Safe, Affordable, worldwide, Inheritable’ with high cost-performance products and good pre-sale and after-sale service, develops the internal and external market actively, shows the power and value of Yingli’s  Brand—WYL.