Wuhan Guangzhi Technology Co., Ltd. (hereafter referred as GZTECH for short) was founded in May, 2018. GZTECH’s market strategy is to become a leading supplier of advanced lasers for precision manufacturing. GZTECH has a first class research and development team consist of optics, electronics, software and mechanics engineers. The CEO Dr. Huang got his bachelor’s and Ph.D. degree from Tsinghua University. The first mature product line of GZTECH is the pulsed MOPA laser, including GM/GMC/GT and GL sub-series, covering the power range from 20W to 1000W and over one hundred types. New products such as air-cooled QCW, single mode CW laser and solid state UV laser are for sale now. We can also provide OEM/ODM service for our consumers on fiber laser products operating on 1.0μm, 1.5μm and 2.0μm wavelength range and green/UV lasers applying extra-cavity second-harmonic or third-harmonic generation technol ogies. Our laser products are widely used in 3C/5G, photovoltaic, Lithium-battery and laser mold cleaning industries. We have more than 5000 square meter clean workshop for laser production and all set of specialty fiber processing and laser parameter measurement equipment. GZTECH has gotten the High-Tech enterprise certificate of China in 2020 and has around 50 patents and software copyrights on fiber laser technologies. GZTECH’s clients include leading companies in laser equipment market such as HAN’S, HG, HMX, UW etc. And GZTECH also has good cooperation relations with universities and institutions such as Tsinghua University, Shandong Univerisity and SIOM, etc.

Jinko Solar Co., Ltd. (the “Company”, or “Jinko Solar”) (SSE: 688223) is one of the most famous and innovative solar technology companies in the world. Its business covers the core links of the photovoltaic industry chain, focusing on the R&D of integrated photovoltaic products and integrated clean energy solutions. At present, Jinko Solar's products serve more than 3,000 customers in more than 160 countries and regions around the world, and the company has ranked No.1 in global module shipments from 2016 to 2019. By the end of March 2022, the cumulative module shipments of Jinko Solar have exceeded 100GW.Jinko Solar is an industry opinion leader under various international frameworks such as B20, and it is also one of the first solar energy companies to join the RE100 green initiative.Jinko Solar is the first company to establish a "vertically integrated" production capacity from silicon material processing to wafer, cell and module production in the industry. It has a total of 14 global production bases in China, the United States, Malaysia and Vietnam. As of Q2 2022 , the company's effective production capacity of monocrystalline silicon wafers, cells and modules reach 40GW, 40GW and 50GW respectively.  Jinko Solar has more than 1,000 R&D and technical employees and has won many honors such as "National Enterprise Technology Center", "National Technology Innovation Demonstration Enterprise", "Champion of Manufacturing ", and has formulated many international and domestic industry standards such as IEC. Jinko Solar continuously expands the diversified application scenarios of photovoltaic technology, including building-integrated photovoltaic, photovoltaic hydrogen production, energy storage and other fields, and strives to create a new energy ecosystem.Jinko Solar was listed on the STAR Board of the Shanghai Stock Exchange in 2022, and JinkoSolar Holding Co., Ltd., its indirect controlling shareholder, was listed on the New York Stock Exchange in 2010.