Alloy Steel - China Manufacturers, Factory, Suppliers

We emphasize advancement and introduce new products into the market each year for Alloy Steel, Female Threaded Flange , Ansi B16.5 Class 300 Blind Flange , 304l Flanges , We have been making our products for more than 20 years . Mainly do wholesale , so we have the most competitive price , but highest quality. For the past years , we got very good feedbacks , not only because we provide good products , but also because of our good after-sale service . We are here waiting for you for your inquiry.