Jiangsu Gouda Suit Complete co., Ltd. is a high-tech enterprise specialized in the research and development of the photoluminescent materials and the related products. The materials have been used in many areas successfully, such as toponym mark, track mark and escape indication mark. But we are still developing more available fields. And the knockouts are photoluminescent yarns and photoluminescent fabrics which are unique and fantastic. Night Pearl Self-luminous plastic fluid, which designed by our engineers independently having been tested by Jiangsu Provincial Bureau of Quality and Technical Supervision, Jiangsu Provincial Academy of Agricultural Sciences of atomic energy and China National Institute of Metrology is an environmentally-friendly product. All tests have passed the national standards. It is nontoxic, harmless, no radioactive, noncombustible, and no explosive, free of deleterious heavy metal element and chemical substance.