尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

Gansu Tongshi Technology Co., Ltd. (formerly Suqian Tongshi Reagent Co., Ltd.), established in 1975, primarily produces reagent-grade fluoride series products and holds a national industrial product (chemical reagent) production license. Over the past thirty years, the company's products have consistently passed random inspections by national, provincial, municipal, and other relevant authorities, earning corresponding honorary certificates. Additionally, the company has established a quality management system in accordance with the ISO9001:2008 standard, which has been effectively implemented.

Currently, the company can produce thirty types of reagent-grade fluoride series products, with a construction project for 5,600 tons of fluoride series products, including 1,500 tons of potassium hydrogen fluoride. These products are sold to enterprises directly under the China National Nuclear Corporation, as well as universities and research institutes. The newly developed spherical sodium fluoride is used for the purification of fluorine gas and is exported to developed countries through foreign trade companies. Other products are sold to industries such as glass, ceramics, electronics, metal surface treatment, electroplating, and laboratory testing. In 2015, the company obtained the qualified supplier certificate from the China National Nuclear Corporation and was honored as an excellent supplier by the 404 Factory Co., Ltd. for its credibility and contract compliance.

The company's main licensed business includes the production of potassium hydrogen fluoride, potassium fluoride, sodium fluoride, hydrofluoric acid, and ammonium hydrogen fluoride. After years of research and innovation, it now also produces block magnesium fluoride, high-purity lithium fluoride, lithium fluoroaluminate, and granular sodium hydrogen fluoride. General business operations include the production and sales of calcium fluoride, as well as self-operated and agency import and export of various goods and technologies (excluding those restricted or prohibited by national regulations).

The company consistently seeks survival, efficiency, and development through quality, adhering to the operational philosophy of excellent service and credibility. We warmly welcome domestic and international customers to visit our company for business negotiations, striving to achieve mutual benefits and create a brighter future together!