Established in 1992 and having a staff of 500 people among whom 50 are technical and managerial personnel, The Zhonghao Company is one of the largest professional manufacturers of ceramic valve cores in China; churning out up to 40 million sets of products. Having implemented a stringent production and quality management system, The company conducts very strict technical inspections and tests to all of its products in accordance with the national sampling inspection standard. With all technical specifications up to or even outstripping the national standards, the valve cores produced by the company feature: superior smoothness to the touch of hand; easy and arbitrary adjustment of flow rates; exceptional sealing property; highly reliable performance; extended useful life; absolutely no dripping after 300,000 operations. The company can also manufacture customized valve cores and fittings according to the specific requirements of customers.With a high reputation in the industry, the products of the company are well received in almost every part of China and have also been marketed in the Southeast Asia, Russia, Italy, America, U.K., etc.