Our Company HANGZHOU DOUBLE-PEACE INDUSTRY & TRADING CO.,LTD are one of the top 50 listed Chinese Stock Companies (Shanghai Stock Market.) We have set up long-term cooperation with dealers of world-wide reputable companies.has been in the field of pipeline products for more than 20 years, We possess the first-class professional technical strength and market coordinating ability. We have the closest connections(have their shares) with the biggest Chinese flange(CHANGYU) and fitting(MEIHONG) factories, meanwhile,we also have close relationship with many other Chinese reputable factories.Therefore, we are confident that we can provide you with the goods with the best quality and the most competitiveprice in both a large quantity and short amount of time. We enjoying a high reputation in the international and local market. As a worldwide supplier, our products have offered good quality products to many project of pipeline of water, oil, gas, Petrochemical, marine, food, medicine, HVAC, etc.   Principal Products Fittings, Flanges,Vlaves(Gate valve, butterfly valve, globe valve, ball valve, check valve,Balancing valve, diaphragm valve, bronze valves) and Strainers.   Quality Control Performed at every stage of manufacture in accordance with certified quality procedures.