Guangzhou Cai Yu anti-counterfeiting printing ink Co., Ltd   

Watermark ink after printing has the same watermark paper effect, welcoming light observation can see the watermark pattern is clear. Due to its low cost, watermark effect without special equipment can be identified, it has been widely applied in the printing of certificates and manuals. A, color varieties: offset printing, screen printing white white watermark watermark and watermark printing black. B, the scope of application: the printing of certificates and manuals. C, printing: white watermark: watermark: black silk screen and offset printing; screen printing.