... Bright colors,but decolor easilyPermanent staining sandIt is treated in special method and will not fadeStaining quartz sandIt is formed ... . Shijiazhuang Kedahua Imp & Exp Trade Co.,Ltd is specializing in non-metalic mineral product ,such as vermiculite , perlite , ... Jiali mineral product processing plant . Our market is worldwide especially in Korea , Japan , USA , Southeast Asian , Europe .We can ...