Located in Chongqing, the only municipality in inland China, Chongqing Hailanchuanma Optical-electronic Science and Technology Co., Ltd. is incorporated by Haizhu Optical -electronic Science and Technology Co., Ltd., Lanshuo Optical -electronic Science and Technology Co., Ltd., and Shenzhen Chuanma Electronics Co., Ltd. As a high-tech enterprise, Hailanchuanma is specialized in the development, manufacture, and sale of laser range finders, night visions, graphene display screens, and appendable devices. We attach great importance to high-level human resources all the time. There are four senior technical employees (including two professors of engineering) in our current research team, whose members are as many as about fifteen percent of total employees. In addition, our excellent research and development team has always been keeping in step with the latest technology and applications, which ensures the innovation of the products. Moreover, the current laser range finders have been certificated by a series of certification standard such as CE, FCC, FDA, ROHS and I S O 9 0 0 1. And, we have applied and owned over thirty patents. After ten- year effort, our company has developed a mature managing system and a highly effective working team. Meanwhile, we have established stable supplying relationships with the companies from all over the world. Thus, we are capable of supplying products steadily with reliable performance, diverse function, aesthetical pleasure and ergonomics concept. Furthermore, OEM and ODM service is offered.