GENEVA, July 7 -- KINGFA SCI. & TECH. CO., LTD. (No. 33 Kefeng Road, Science City, Guangzhou Hi-Tech Industrial Development ZoneGuangzhou, Guangdong 510663), 金发科技股份有限公司 (中国广东省广州市高新技术产业开发区科学城科丰路33号), ZHUHAI VANTEQUE SPECIALTY ENGINEERING PLASTICS CO., LTD. (No. 177, Petrochemical Road 9, Nanshui Town, Jinwan DistrictZhuhai, Guangdong 519050), 珠海万通特种工程塑料有限公司 (中国广东省珠૲...