Application of HENGZHAO Confidential Letter Printer

The voice extraction system and password seal printing scheme are applied in the tendering and bidding. In the past, needle printer + triplet carbonless copy paper was typically selected to produce the "Notification of expert extraction result" and serve as the confidential letter. However, the paper of triplet solution is not an optimal selection in terms of exquisite degree, sealing performance and unavoidable stylus traces caused by the working principle of needle printer. After communications with the customers from various provinces and cities throughout the country, plus the sample presentations and product tests, it has been proved that the application of HENGZHAO confidential letter printer possesses such merits as lower cost, novel style and strong confidentiality during the production of bidding password letter. Up to now, the following provinces have been gradually using HENGZHAO confidential letter printer.
Hubei province, Guangxi Zhuang Autonomous Region, Yunnan province, Shandong province,  Shanxi province, Jilin province, Henan province, Anhui province, Liaoning province, Guangdong province, Hebei province, Gansu province, Shaanxi province, Sichuan province