和尚在禅房把公主到高潮,69成人网,麻豆国产videofree高清,国内女子自慰喷潮a片免费观看,四房播播,日韩,丝袜,中文字幕,欧美情侣性视频,欧美三根一起进三P,爆乳无码系列肉感在线播放,当着全班面被C到高潮哭视频,2021无码最新国产在线观看

UV offset printing ink technology was first invented by our Japanese investor T&K TOKA in the 1980s. So far the relevant formula technology is still dominant in the field of UV offset printing in the world, and the UV products enjoy a good reputation in the market. Hangzhou Toka is the first to introduce UV ink into China, and started localized production of UV in 2002. UV 161 series is the one dominates the label offset/relief printing industry.

Customers have always trusted Hangzhou Toka UV products mainly because of its highly stable quality, complete color systems and complete environmental test reports. Adhering to the R & D concept of "green, environmental protection, high efficiency and energy saving", the company is significantly ahead of competitors in UV R&D and innovation capabilities in the strong hardware and software investment and personnel training mechanism. At present, Hangzhou Toka, is the only ink company in China who has imported offset printing press for researching and testing, who has an analysis laboratory certified by CNAS. It not only has presided over or participated in the preparation of a number of UV ink related national standards, but also is the first and the only national pilot company for (ecological) green design of industrial products that has passed the audit in the ink industry. After nearly 20 years of development, the variety of UV ink has been continuously enriched, covering more than 20 series and various fields related to UV printing (packaging of food, medicine, tobacco, wine, cosmetics, electronic products and social products, printing of various labels, commercial paper, business albums, books, DM sheets and tins, inkjet printing, and etc.