Tianjin Yadong Longxin International Ltd.,

International trade; import and export of goods and technology; lubricants, asphalt, paper products, hardware, building materials, dyes: direct sunfast black G, direct acid-fast red 4BS, direct sunfast blue B2RL, direct yellow R, direct blue FBL, liquid yellow R, liquid red 4B, liquid brown NM, acidic golden G, acidic orange II, dye intermediates: (dinaphthol, J acid, toric acid, sulfonated toric acid, γ acid, p-aminoacetanilide, ethylene glycol Alcohol) wholesale and retail; production and operation of H acid, phenyl J acid, scarlet acid, aniline black, reactive black, weakly acidic brilliant red B, direct black, direct red, direct yellow, direct blue; trade brokerage and agent. (Projects that require approval according to law can only be carried out with the approval of relevant departments)