
| In 1987, Liaoyang Guanghua Chemical Co., Ltd. was set up which is a special plant for manufacturing organic sulfur. | |
| In the past ten years, we have produced MDS, DMDS and sulfur additives. | |
| In 1997, we developed the new product-SULFOLANE which is our only product. | |
| In 1998, our sulfolane was evaluated as National New Product. | |
| In 2004, our registered HAKE brand was evaluated as Provincial Famous Brand. | |
| In 2005, our company was evaluated as Provincial High and New Technology Enterprise. | |
| We have got ISO9001:2000 Quality Management System Certificate, ISO14001:2004 Environment Management System | |
| Certificate & GB/T 28001-2001 Occupational Health And Safety Management System Certificate. | |
| In 2008, we acquired Degussa's Sulfolane sales network and toxical data since they ceased from sulfolane business. | |
| By now, we established business relationship with many foreign companies in Asia, Europe, America and Africa. |