Chongqing Gaosi Technology Co., Ltd is a laser technology enterprise mainly engaged in the development, production and service of Nd: YAG and Ce, Nd: YAG laser crystals and laser crystal rods. The company provides laser ranging, laser guidance, laser marking, industrial processing, Laser equipment such as laser medical treatment and beauty, providing supporting products and services. The company's products are of good quality and are widely used for domestic Company, civilian and export purposes. Founded in 1998, the company has 5,000 square meters of development, production and office space, 30 million yuan in fixed assets, and an annual production and sales of more than 120,000 laser crystal rods, 70% of which are for Company and export, and 30% for civilian use. The company has 5 functional departments, namely: General Manager's Office (referred to as General Manager's Office), Quality Department, Technology Department, Production Department, Supply and Marketing Department. There are 70 employees, including 15 senior and intermediate titles. The backbone team of the company is composed of senior engineers with profound background and rich practical experience, old technical experts and senior management personnel, with professional laser technology knowledge and experience, and professional, advanced, complete and supporting production and manufacturing equipment and testing devices. The company's products are of excellent and reliable quality, with strong development and production capacity, and can provide various specifications with Nd concentration of 0.5-1.2% (atomic ratio) and size of 3--30 * 30-145mm long according to the special requirements of customers. Nd: YAG and Ce, Nd: YAG laser crystal rod. It can process threaded rods with a pitch of 0.6-3mm and a thread depth of 0.1--1mm. The output energy of Ce, Nd: YAG produced by the company is 35-60% higher than that of Nd: YAG under the same conditions. The technical indicators of the company's products are as follows: 1. Growth direction [|||]5; 2. Nd concentration 0.5-1.2% (atomic ratio); 3. Wavelength laser 1064um; 4. Extinction ratio: industrial grade greater than 26 decibels; preferred level greater than 30 decibels. 5. Interference fringes: less than 0.12 strips/inch for industrial grade; less than 0.1 strips/inch for preferred grade. 6. Machining accuracy: the ovality of the outer circle is less than 0.02mm; the smoothness is ; the flatness of the end face is N=0.2, N=0.1; the perpendicularity between the end face and the rod axis is less than 1; The layer damage threshold is 350 MW/cm2. The product quality management system established by the company according to GB/T19001-2000 idt ISO9001:2000 "Quality Management System Requirements" has been certified in 2005.