Under support by Science & Technology Bureau, we designed the formula & SOP of Gaoda complex-drier, carried out production & Patent in 1995, independently composed Industrial Executive Standard Q/QT238001. Product has advantages of no heavy metal, small dosage lower cost, light color good quality, temperature endurance, humidity resistance, won the gold medal of China, America & Europe Expo. The paper was abstracted by American Chemical Abstracts. CCTV-2 & CCTV-7 televised. AkzoNobel, Worlee, PPG, Benjamin Moore have maintained long-term relationship with us. Export to Europe, America, Asia over 20 years.