Dear sir or madam， This is hellen from shanghai metalgoods pipefittings CO.,ltd , I find your company by internet , let me introduce my self , we are a specialized in producing and selling pipes and stainless steel ,Alloy steel, and, brass fittings, other pressure pipe elements fittings, valves company ,include to casting products , forging , butt welding , socket , & threader fittings , quick coupling etc .attach some products as ref . We have many years experiece and insist producing high standard products according to International rule . export to many countries all over the world , welcome to visit our website www.flangefittings.com , there are many types products , for examples: buttwelding fittings for steel, forging fittings, forging flange, and Insulating joit etc . if you are interested our products or you have similar require , pls email to me, then we can calculate the price according to your require .hope we can have an chan