Beijing Metleader Pipeline Technology Inc. Is a professional supplier of pipe flanges and pipe fittings, which are widely used for petroleum, gas pipeline, chemical, power plant, and shipbuilding industries. Now we are specially committed to the products research and inspection, the whole process strictly according to the request of ISO and CE standard. Our engineers and technologists constantly innovate the production technique to make the quality better and better. Metleader is consistent the aim to provide high quality products and good service.