Qingdao Langsheng International Trade Co., Ltd.   

Qingdao Langsheng International Trade Co., Ltd mainly engaged in various types of chemical goods and technology import and export business, entrepot trade, counter trade. Companies to import and export of bulk and fine chemical products, sales agents of domestic chemical enterprises products as a supplement. The company by virtue of excellent reputation and perfect marketing network has become the agent of the products of many world famous chemical enterprises. The company's main Italy metal complex dyes. The product quality is stable, no color difference, water oil bisexual, as Chinese China general agent. The dye by special 1:1 and 1:2 metal complex structure, and the dye powder quality body of professional research and high concentration of liquid dye in water, its special gloss and transparency, is the advantage of organic pigments can not be compared, but because its chemistry structure is different, which generated in the use of various wood paint, aluminum foil packaging printing, electroplating, leather finishing, stationery ink on the surface of the heat resistance, acid resistance and fastness than before...