brass ball valve factory 鈥?Our History Shandong Yahong Pipe Industry Co., Ltd. was established in 2003 with a registered capital of 2.18 million yuan. It is subordinate to Yahong group, located in the industrial park of Linyi City, Shandong Province. It has convenient transportation advantages. Yahong Pipe is a comprehensive management system Occupational health and safety management system certificate 鈥?Production Equipment enhance the relationship between new and old customers. We continue to exchange personalized service for your satisfied smile and continue to create value for you.brass ball valve factory website:http://www.yahongpipe.com/