| 1,8-Naphthalic Anhydride | Liaoning Liangang Pigment & Dyestuff Chemicals Co., Ltd. 辽宁联港染料化工有限公司 | 1,8-萘二甲酸酐是一种重要的原材料，用于合成二萘嵌苯染料、颜料和荧光剂。 | |
| 1,8-Naphthostyril | Liaoning Liangang Pigment & Dyestuff Chemicals Co., Ltd. 辽宁联港染料化工有限公司 | 一个中间体，用于合成还原性染料和有机颜料 | |
| 3,4,9,10-Perylenetetracarboxylic Dianhydride | Liaoning Liangang Pigment & Dyestuff Chemicals Co., Ltd. 辽宁联港染料化工有限公司 | 3,4,9,10-苝四酸二酐是一种重要的中间体，用于合成二萘嵌苯染料和颜料。 | |
| 3,5-Xylidine | Liaoning Liangang Pigment & Dyestuff Chemicals Co., Ltd. 辽宁联港染料化工有限公司 | 颜料、染料和医药工业的中间体 | |
| 4-Sulpho-1,8-Naphthalic Anhydride, Potassium Salt | Liaoning Liangang Pigment & Dyestuff Chemicals Co., Ltd. 辽宁联港染料化工有限公司 | 合成染料、颜料的重要原料 | |
| C-2390 | Qingdao Xinyutian Chemical Co., Ltd. | C-2390 is a prepolymer with a 80 Shore A hardness. This product has strong weatherability, high temperature resistance, hydrolysis resistance and mechanical properties commonly used in oil seal materials. | |
| C-3090 | Qingdao Xinyutian Chemical Co., Ltd. | C-3090 is a prepolymer with a 90 Shore A hardness. This product has strong weatherability, high temperature resistance, oil resistivity and mechanical properties commonly used in oil seal materials. | |
| C-6090 | Qingdao Xinyutian Chemical Co., Ltd. | C-6090 is a prepolymer with a 90-95 Shore A hardness. This product has strong weatherability, high temperature resistance, oil resistivity and mechanical properties commonly used in oil seal materials. |
