Allwin company, specializing in construction and drianage pipeline products, was located in north China. The company has been manufacturing and distributing quality cast iron products for the water and wastewater industry for more than 10 years. With a good distributional team across North China, Allwin is committed to providing customers with high-quality products and professional service. Our main products are ductile iron pipe, flanged pipe fittings, push-on joint pipe fittings, mechanical joint pipe fittings, express joint fittings, ductile iron PVC pipe fittings, fire hydrants, gate valves, flanged adaptors and couplings .The products can meet the Standards of ISO2531, ISO4179, ISO8179, ISO4633, EN545, EN598, BS EN124, BS EN12842 and other equivalent standards following the requirement of customer. Ductile cast iron pipes and fittings distributed by Allwin are widely used in conveying water field, until now, the products have been sold well to all over domestic markets and exported to more than 20 countries in the world. With our continuing efforts and rapid growth in business, we hope to establish business relationship with more and more customers. On the basis of all-win, we do believe, tomorrow will be better.