China Welded Steel Acetylene Cylinder factory Our advantage Diamond Quality Technical advantages Business level Healthy green Company Profile Weifang Hengsheng Gas Co., Ltd. is a Gas and Gas Cylinder company integrating distribution, wholesale technical development and protection. Welcome friends from all over the world to negotiate business, we will serve you wholeheartedly. China Welded Steel Acetylene Cylinder factory website:http://www.cnhs.cc/