Luoyang Qianxi Biochemical Science and Technology Co., Ltd.--Professionals engaged in the "insoluble sulfur" series of products in the research and development and production of high-tech companies. At present, more than 10 million of assets, a strong technical force, with well-known experts and institutions with the most authoritative channel for cooperation and exchange, priority access to the most advanced technologies and the latest scientific and technological information, is currently producing only the highest international quality standards insoluble sulfur products of the modern enterprise.QIANXI has used its unique production processes and production equipment in the production of sulfuric acid insoluble..