Stock name：鼎龙股份 Stock NO：300054
Permanent violet RL,the brand named product by Nantong Municipality, is high-grade organic pigment of carbazole dioxathion with excellent tinting strength and brightness,
Hubei Dinglong Company Limited have more than 1,000 alternative models of color laser toner cartridges.The aftermarket products work well with various OEM printers such as HP,
Charge Control Agent （CCA） is used to control the tribo-charge of toner used in photocopier and laser printer. Hubei Dinglong has incorporated its unique chemical synthesis technology and pigment dispersion technology,
Chemically Prepared Toner is the future of toner industry. Taking advantage of foreseen R&D and forefront technology, focusing on the difficulties in CPT manufacturing technology,
Since establishment, Hubei Dinglong intently pursues the development of toner industry, and grasped the direction of CPT's increasing growth and inevitable domination in color electric imaging industry
As the quick development of the worldwide OA industry and the special requirements in the commercial inkjet print area, colorants for inkjet have been widely used.
By making good use of the special knowledge on plastic coloring, combining with organic synthesis, pigmentation and particle shape control technology, Hubei Dinglong has developed DL