The basic formula of four-colors ink through plenty of experiments,then test color density,liquidity,continuity and intermittence to confecting inks,confecting inks formula improved by testing result.

• 经过大量实验,得出四色墨水的基本配方,对该配方所制墨水进行色密度、打印流畅性、连续性和间歇性进行测试,根据测试结果改进墨水配方。