... 4)High safety factor Founded in 2004,Chengdu Xiwen Sanitary Co., Ltd. is a science and technology-oriented ... over 10,000 square meters in Chengdu City, Sichuan Province, China with advanced equipment and technology.ModelBK001 Size 1000X900X2000mm ... entertainment, etc.Special feature:1,Environmental healththe use of natural materials, scientific formula, precise operation, non-toxic, non-radioactive ...