Profile: Dongyang Jincheng Environmental Technology Co., Ltd. is mainly engaged in the R & D, manufacture, and sales of chemical auxiliaries and high-efficiency welding materials including high efficiency vaporization soldering fluxes and acid cleaning-free soldering fluxes. Our soldering fluid is used in a range of applications like brazing of copper, copper alloys, steel, and stainless steel. Its properties include colorless transparent liquid, inflammable, and volatile. It will generate milk white precipitation in water. Our polyether de-foamer is a non-ionic surfactant with good de-foaming performance, and non-toxic. It is insoluble in water, and easily soluble in organic solvents. It has a colorless or light yellow transparent viscous liquid appearance.