Langfang City Longquan Flux Co., Ltd. (LFLQ), its primary designation was Langfang City Longquan Flux Plant, it ws established in 1988. In Jan 1997, it was renamed Langfang City Longquan Flux Co., Ltd. (LFLQ) basing on "State company law".

The plant covers 50, 000 square meters land area, holds 30, 000 square meters construction, 210 employees work for the plant, there are 18 staffs with senior technical titles. LFLQ gained independence import & export qualification in 1997.

The company is a high & new technique enterprise ranking in provincial list, it is a production and science research aggregation, main product includes: Tert-octylamine(TOA), 2, 2, 6, 6-Tetramethyl-4-piperidinol, Triacetonamin, Hydroxyethyl pipropanol(AH201), Antioxidant PKB-215, Light stabilizer 292, Light stabilizer 622, Light stabilizer 770, Light stabilizer 783, Light stabilizer 944and its series products. The product quality universally higher than international standard, the above production quantity annually ranked first place among domestic same industries, thereinto, grain crystalloid of Tetra-methyl piperidinol already formed unique company's indication in international market, the product quality is well-know in international market. Its product mainly is exported to America, South Korea, Japan, Europe, Taiwan and other countries andother countries and regions.