GOYENCHEM-750 奈米級高效能撥水撥油劑 GYC-Nano Self-Cleaning Coating 奈米自潔塗料 GY-2000 奈米二氧化矽基材強化劑(奈米基材防水劑) GOYENCHEM-744 高效能奈米撥水撥油劑 GOYENCHEM-744 for Paper GOYENCHEM-930 奈米級高效能皮革撥水撥油劑 1 2
