Development
1995, Dongguan Guanghua Marketing Department of PCB auxiliary material was found. Mainly ran Alkaline ecthant and Tin-stripper;
1996, Dongguan Guanghua PCB Auxiliary Material Factory was found, and was upgraded to normal taxpayer;
1997, Independently R&D, Product and input GC-30 in market, enrich the products line;
2001, Built the independent R&D team. The R&D technology was closed to be mature. According to market demands, Acidic degreaser cleaner, Micro-etchant, Ultra-roughness Micro-etchant, GC-001 and GC-002 Stripper etc, a serier of products were input in market; 
2002, Pass SO-9001 and ISO-14001 Quality Approval;
2003, Base on Acidic Etchant, Low acid serier Etchant was developed such as GC-300S. Gradually laid the market dominance of the Acid Etchant solution;
2007, Registered as Dongguan Guanghua Chemical Co.,Ltd. Built new development platform. The annula sales broke 100 million;
2008 to present, The customers group of Guanghua covers domestic big PCB Factories. As a biggest PCB pretreatment products vendor and manufacturer, Guanghua exports some products to Vietnam;
2011, Applied to be a member of CPCA. Master the trends of market and industry;
2012, March，Participated in the 21^st CPCA SHOW in Shanghai, and will participate in the 2012 International Printed Circuit & Electronics Assembly Show held in Shenzhen in November 2012;
In future, Keep the domestic leadership, meanwhile, develope the international market to seek more international partnership. And learn more manager experience to create a high level enterprise.