Chengdu Herin Science & Technology Co., Ltd. (CHST for short) is a professional producer of ceramic proppants. Fully utilizing the first-rate vanadium and titanium resources in Panzhihua of Sichuan Province, CHST is dedicated to the production of ceramic proppant products with diversified specifications. CHST has strong R&D capabilities to guarantee that the quality of our products always exceeds the general standards of the industry. The testing results, produced by China's testing authority, show that the mid density high strength (ZG) products of our company have already led the way in quality among our international counterparts. CHST's products adopt high-purity raw materials, which have gone through ultrafine grinding, pelleting and high-temperature sintering. They are characterized by superior thermal stability, high pressure resistance, high conductivity and erosion