China Hengye Copper Fitting Co., Ltd. was founded in 1994. Our main products, brass double ring, copper fittings cover three big types such as Endfeed, solder ring, copper press fittings with rubber O-Ring and reach 3000 specifications, which strictly meet four standards of EN1254, BS864, ASME B16. 22and AS3688. Our annual capacity is up to 0. 1 billion pieces. we specializing in manufacturing of copper fitting, brass double rings. During the past years,we aimed to provide best quality products and best service to our customers, and are always in the customers`good graces. Our products, brass double ring are now being sold to customers all over the world including some Western Europe,the Americas and Southeast Asian countries, and both technology and quality of the products, brass double rings are in the leading position in the world.