Recently, the reporter learned from an interview with the dyeing and finishing enterprises in Shishi City that this year, the fabrics dyed with sulphurized black are very popular. Every day, a large number of gray cloths are transported into the enterprises to be processed into sulphurized black dyed fabrics. A dyeing and finishing company's technical staff told reporters that their company only one machine processing of sulfur-dyed cloth reached 50,000 meters. According to reports, the cloth dyed with sulfur black radiation protection effect, and the process is simple, saving energy consumption. (Zhang Jun Pu text / map)